Resource Roads Group, FPInnovations the ‘Road Load Rating ... · Bridge capacity signage...
43
Allan Bradley, R.P.F., P.Eng. Resource Roads Group, FPInnovations New FSR bridge signage and the ‘Road Load Rating’ concept
Transcript of Resource Roads Group, FPInnovations the ‘Road Load Rating ... · Bridge capacity signage...
Alla
n B
radle
y, R
.P.F
., P
.Eng.
Resourc
e R
oads G
roup, F
PIn
novations
Ne
w F
SR
bri
dg
e s
ign
ag
e a
nd
the
‘R
oad
Lo
ad
Rati
ng
’ co
ncep
t
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ou
tlin
e
1.
Sp
ea
ke
r/ m
od
era
tor
intr
odu
ction
s
2.
Bridge c
apacity load lim
its
3.
Ne
w b
ridg
e c
ap
acity s
ign
ag
e
4.
Th
e “
Ro
ad L
oa
d C
apa
city”
co
nce
pt
2
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
lo
ad
lim
its
fo
r re
so
urc
e
road
bri
dg
es a
re n
ot
well u
nd
ers
too
d
B
rid
ge
ca
pa
city s
ign
ag
e h
isto
rica
lly a
nd
cu
rre
ntly in
ad
eq
ua
te
Im
plic
ations o
f concentr
ate
d loads (
i.e.,
short
loads a
nd
tra
cke
d v
ehic
les)
no
t w
ell
unders
tood
F
ocus is o
n G
VW
– n
ot unders
tandin
g t
hat th
is is b
ased o
n a
desig
n v
ehic
le c
onfig
ura
tio
n
R
eso
urc
e r
oads a
re incre
asin
gly
bein
g u
sed b
y m
inin
g,
oil
&
ga
s, a
nd c
lean e
nerg
y p
roje
cts
R
ea
l co
ncern
for
ove
rloadin
g o
f bridges
A
ne
w m
eth
odolo
gy f
or
posting o
f bridges is r
equired
3
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Very
heavy lo
ad
s u
sed
by n
on
-fo
restr
y
users
of
FS
Rs
4
82 t
GC
W. Tandem
axle
jeep left
at
sid
e o
f hig
hw
ay
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
5 C
on
cen
tra
ted
loa
din
g
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ne
w t
ruc
k c
on
fig
ura
tio
ns
6
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
FS
R c
ap
ac
ity
sig
ns
7
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
De
term
inin
g t
he
Sa
fe L
oa
d L
imit
A
naly
sis
ba
se
d o
n b
road
scale
scre
enin
g r
ath
er
tha
n d
esig
ns o
f in
div
idu
al b
rid
ge
s.
F
orc
e e
ffects
of
actu
al tr
ucks w
ere
co
mpa
red
ag
ain
st m
axim
um
de
sig
n v
eh
icle
fo
rce e
ffects
to
en
su
re th
at de
sig
ns w
ere
su
ffic
ient.
T
he liv
e loa
d f
acto
rs for
L-7
5, L
-10
0 a
nd
L-1
50
bri
dge
co
mpo
ne
nts
were
fou
nd
to
va
ry a
nd s
om
e
were
in
ad
eq
ua
te.
8
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
To h
ave
a s
ingle
liv
e loa
d f
acto
r fo
r th
e L
-se
rie
s
de
sig
n v
eh
icle
s, B
&T
re
co
mm
en
de
d c
han
ge
s t
o
GV
W a
nd
weig
ht
dis
trib
ution
s.
B
&T
re
co
mm
en
de
d t
ha
t sin
gle
, ta
nd
em
, tr
ide
m
axle
gro
up loa
ds fo
r th
e L
-se
rie
s v
ehic
les b
e
ch
an
ge
d t
o 2
0%
, 3
9%
, a
nd
43
% o
f G
VW
in
ste
ad
of as p
ort
rayed
in
th
e c
urr
ent
L-s
erie
s d
esig
n
ve
hic
les.
T
he
ne
w d
esig
n v
eh
icle
we
igh
ts w
ere
use
d t
o
de
term
ine
sa
fe loa
d lim
its fo
r G
VW
and
axle
load
s,
an
d c
on
ce
ntr
ate
d loa
ds.
De
term
inin
g t
he
Sa
fe L
oa
d L
imit
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
Fa
cto
rs
A
naly
ses c
ond
ucte
d w
ith
co
mpa
rison
s o
f fo
rce
effects
(she
ar
an
d b
en
din
g m
om
ent)
.
L
oa
d f
acto
rs (
LL,
DLA
, D
F)
were
the
sam
e fo
r m
ost
de
sig
n v
ehic
les.
S
6-0
0 s
pecifie
s L
L =
1.7
0 fo
r β
= 3
.75
ho
wever
log
tru
ck tra
ffic
we
igh
ts a
re b
ett
er
co
ntr
olle
d t
ha
n
no
rma
l (P
A)
traffic
.
A
naly
sis
assu
med
NP
tra
ffic
an
d lo
wer
LL v
alu
es.
D
ea
d lo
ad
wa
s ig
no
red
in
co
mp
ari
so
ns o
f ve
hic
le
forc
e e
ffects
.
10
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Su
mm
ary
of
loa
d f
ac
tors
11
•A
ssum
es a
nnual perm
it (
PA
) tr
affic
inste
ad o
f norm
al (N
P)
tra
ffic
•Lack o
f L
L,
DLA
or
DF
data
for
tracked v
ehic
les
•T
racked v
ehic
les a
ssum
ed t
o h
ave little w
eig
ht
variation s
o L
L =
1.3
0;
20%
low
er
DLA
used to r
eflect
slo
w t
ravel, s
hort
spans, no a
xle
gro
ups
Desig
n V
eh
icle
D
esig
n L
ive L
oad
Facto
r
Dyn
am
ic L
oad
Allo
wan
ce
Dis
trib
uti
on
Facto
r
MO
F L-
Seri
es
1.6
0
30
%
0.6
9
BC
L-6
25
, LO
H, H
OH
1
.50
3
0%
0
.69
A
xle
gro
up
s (t
rid
em,
tan
dem
, sin
gle)
1
.50
to
1.6
0
30
%
0.6
9
Sho
rt t
ruck
1
.60
3
0%
0
.69
Tr
acke
d e
qu
ipm
ent
on
2
gird
er f
ore
stry
bri
dge
1
.30
3
0%
0
.69
Trac
ked
eq
uip
men
t o
n
slab
or
log
stri
nge
rs
1.3
0
24
%
0.6
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
12
Note
s:
a.
GV
W loa
d lim
its a
re lim
ite
d t
o h
isto
ric leve
ls a
nd
rou
nd
ed to
th
e n
ea
rest
ton
ne
.
b.
Axle
gro
up
loa
d lim
its a
re incre
ase
d fro
m h
isto
ric leve
ls a
nd
rou
nd
ed to
th
e n
ea
rest ½
to
nn
e.
c.
Tra
cke
d v
eh
icle
GV
W loa
d lim
its a
pp
ly to
co
ncre
te s
lab
or
gra
ve
l-lo
g-s
trin
ge
r b
rid
ge
s. D
esig
n loa
d lim
its f
or
tracke
d v
eh
icle
s o
n typ
ical 2
-gird
er
fore
str
y b
rid
ge
s c
an
be
incre
ase
d f
rom
th
e lim
its s
ho
wn b
y 1
9%
.
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
MO
F L
-Se
ries:
GV
W a
nd
axle
gro
up
load
lim
its f
or
L-1
00
A
ssu
med
tha
t G
VW
L
L =
1.6
0 o
rig
inally
.
K
ep
t G
VW
lo
ad
lim
its a
t h
isto
ric 9
1 t
le
ve
l d
esp
ite
B&
T r
eco
mm
en
din
g 6
.7%
hig
her
va
lues (
i.e.,
1.6
/1.5
).
B
&T
fo
un
d t
ha
t sin
gle
, ta
nd
em
, tr
ide
m a
xle
gro
up
load
s f
or
5 a
xle
tru
cks w
ere
20
%, 3
7%
, an
d 4
0%
of
GV
W inste
ad o
f as p
ort
raye
d in
cu
rren
t L
-se
rie
s
de
sig
n v
eh
icle
s.
6
.7%
hig
he
r a
xle
gro
up
lo
ad
lim
its w
ere
sp
ecifie
d
(e.g
., tan
de
m lo
ad
= 3
6.0
t =
37
% x
91
t x
1.0
67
).
1
3
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
L-1
00
de
sig
n v
eh
icle
14
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
15
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
BC
L-6
25
6
4
9.0
1
7.0
2
4.0
3
3
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31.0
58.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
LO
H a
nd
HO
H d
es
ign
ve
hic
les
L
OH
and
HO
H w
ere
derive
d fro
m lo
g t
ruck
data
analy
sis
(2000-0
3);
FLN
RO
is r
evie
win
g
them
with
mo
re r
ece
nt w
eig
h s
ca
le d
ata
.
In
tent
is to
have
lig
ht
off-h
igh
wa
y v
eh
icle
and
heavy o
ff-h
ighw
ay v
ehic
le w
ell
matc
hed to
actu
al tr
affic
.
G
oin
g fo
rward
wo
uld
ph
ase
out L-1
65
, L-1
50
,
L-1
00
, L-7
5 a
nd
on
ly u
se
BC
L-6
25
, H
OH
,
LO
H.
16
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
17
Note
: H
OH
GV
W is 5
% a
nd 1
4%
lig
hte
r th
an L
-150 a
nd L
-165
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
BC
L-6
25
GV
W a
nd
axle
gro
up
lo
ad
lim
its
A
s s
pe
cifie
d in
th
e C
om
me
rcia
l T
ransp
ort
Act
and c
onsis
tent w
ith M
OT
I specific
ations.
U
se
d o
n r
oute
s c
on
ne
cte
d to
hig
hw
ays.
A
ltho
ug
h c
ap
acity m
ay b
e u
nde
rsta
ted
fo
r lo
g
hau
ling v
eh
icle
s, it is w
ell
su
ite
d to
hig
hw
ay
tra
ffic
with
more
va
ria
ble
lo
ad
ing
(N
P typ
e).
18
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
19
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sh
ort
tru
ck
lo
ad
lim
it
In
lie
u o
f stu
die
s, L
L,
DL
A a
nd
DF
sa
me a
s
log tru
cks.
G
VW
lo
ad
lim
it f
ou
nd
with
rela
tive
co
mpa
riso
ns o
f sh
ear
and
fle
xu
re to
desig
n
bridge c
apacity.
20
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
21
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sh
ort
tru
ck lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
sh
ea
r.
22
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sh
ort
tru
ck lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
fle
xu
re.
23
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
ck
ed
ve
hic
le lo
ad
lim
it
A
ssu
mp
tio
n: 4
m-lo
ng
tra
ck c
on
tact le
ng
th
and u
niform
loadin
g o
ver
this
length
.
L
L =
1.3
0 (
no p
aylo
ad, p
red
icta
ble
GV
W)
D
LA
= 0
.30 (
2 g
irde
r), 0
.23
(sla
b, g
rave
l-o
ve
r)
D
F =
0.5
5 (
tra
ck d
ow
n c
en
tre, n
o tu
rnin
g)
G
VW
lo
ad
lim
it f
ou
nd
with
rela
tive
com
parisons o
f shear
and fle
xure
to d
esig
n
bridg
e c
ap
acity.
24
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Lo
ad
lim
its
fo
r B
.C.
fore
str
y b
rid
ges
25
Note
: T
rac
ke
d v
eh
icle
GV
W l
oa
d lim
its a
pp
ly t
o c
on
cre
te s
lab
or
gra
ve
l-lo
g-s
trin
ger
bri
dg
es
. D
es
ign
lo
ad
lim
its f
or
tra
ck
ed
ve
hic
les
on
typ
ica
l 2
-gir
de
r fo
res
try b
rid
ge
s c
an
be in
cre
as
ed
fro
m t
he l
imit
s s
ho
wn
by
19
%.
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
cke
d v
eh
icle
lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
sh
ea
r.
26
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
cke
d v
eh
icle
lo
ad
lim
it.
Re
lati
ve c
om
pa
riso
n o
f u
nfa
cto
red
fle
xu
re.
27
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Tra
ck
ed
Ve
hic
les
C
on
ce
rn: L-1
65
not
sh
ow
n to
be c
ap
ab
le o
f
support
ing c
oncentr
ate
d load o
f heavie
st
ya
rde
rs (
90 -
11
5 t
).
O
ption
to
desig
n h
igh
er
ca
pacity n
ew
sp
ans
and u
p-r
ate
exis
ting s
pans b
y fie
ld r
ating p
er
CH
BD
C S
ection
14.
28
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Recap
: L
oad
lim
its f
or
B.C
. fo
restr
y b
rid
ges
29
•M
OF
L-S
erie
s G
VW
rem
ain
at h
isto
ric leve
ls.
•In
trod
ucin
g n
ew
LO
H a
nd
HO
H b
rid
ge
de
sig
ns (
loa
d lim
its t
o b
e v
erified
fo
r cu
rre
nt lo
ad
ings).
•S
um
of
axle
loa
ds m
ay e
xce
ed
allo
wa
ble
GV
W.
•S
ho
rt tru
ck a
nd
tra
cke
d e
qu
ipm
ent co
nce
ntr
ate
loa
din
g a
nd
ne
ed
sp
ecia
l tr
ea
tme
nt.
•In
cre
ase
loa
d lim
its f
or
tracke
d e
qu
ipm
ent b
y 1
9%
if
for
sla
b o
r gra
ve
l-o
ve
r-lo
g-s
trin
ge
r fo
restr
y b
rid
ge
s.
Desig
n
Veh
icle
GV
W
Lo
ad
Lim
it
(to
nn
es
) a
Sin
gle
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tan
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Tri
dem
Axle
Lo
ad
Lim
it
(to
nn
es
) b
Sh
ort
Tru
ck
Lo
ad
Lim
it
(to
nn
es
) a
Tra
ck
ed
Eq
uip
men
t
Lo
ad
Lim
it
(to
nn
es
)a c
L-4
5
41
8
.5
16
.0
17
.5
26
32
L-6
0
55
11
.5
21
.5
23
.5
28
35
B
CL
-62
5
64
9
.0
17
.0
24
.0
33
42
L-7
5
68
1
4.5
2
7.0
2
9.5
3
6
45
LO
H
82
1
9.5
3
7.0
4
0.5
4
6
57
L-1
00
9
1
19
.0
36
.0
39
.5
47
57
HO
H
12
9
31
.0
58
.0
n.a
. 7
1
86
L-1
50
1
36
2
8.5
5
3.5
n
.a.
70
85
L-1
65
1
50
3
1.5
5
9.0
n
.a.
90
10
9
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
sig
n f
orm
at
30
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
sig
n f
orm
at
O
rig
ina
l (e
xis
tin
g)
load
lim
it s
igns a
re
inadequate
.
L-s
erie
s b
ridg
e d
esig
n v
eh
icle
s n
o lon
ge
r lo
ok
like
mo
st lo
g t
rucks a
nd
oth
er
ve
hic
les o
n
FS
Rs.
N
ee
d to
allo
w r
oa
d u
se
rs to
re
late
bridg
e
ratin
gs to
th
eir o
wn
ve
hic
les.
N
eed a
way to a
ddre
ss v
ariable
vehic
le
co
nfig
ura
tio
ns.
31
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Bri
dg
e c
ap
ac
ity
sig
n f
orm
at
32
So
me
co
mm
on
fo
rma
ts
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Fu
ll s
ign
fo
rma
t
33
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sig
n f
orm
at
for
L-4
5 b
rid
ge
s
L-4
5 n
ot
su
ffic
ient fo
r
most tr
uck G
VW
L-4
5 s
uffic
ient fo
r so
me
sh
ort
tru
cks a
nd
tra
cke
d
vehic
les
L
oa
d lim
it =
min
imum
of
sh
ort
tru
ck a
nd
tra
cke
d
vehic
le load lim
its (
26 t).
U
p-r
ate
with
fie
ld r
atin
g?
34
26
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Sig
n f
orm
at
for
do
wn
-ra
ted
bri
dg
es
E
xis
tin
g s
ign
fo
rma
ts fo
r d
ow
n-r
ate
d b
ridg
es
35
21
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
36
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
N
ot p
racticab
le o
r usefu
l to
post eve
ry b
rid
ge
on
a
route
with
lim
its
R
oa
d s
yste
ms t
yp
ica
lly d
esig
ne
d t
o s
pe
cifie
d d
esig
n
ve
hic
le loa
din
g (
e.g
., L
-10
0)
O
ne b
rid
ge
ra
tin
g p
er
ne
twork
. P
oste
d b
rid
ge
ca
pa
city s
ign
s a
re t
ha
t o
f lo
we
st
ca
pa
city b
rid
ge
s o
n
the
ne
twork
.
C
oncep
t is
sa
me a
s u
sed
fo
r P
rovin
cia
l h
ighw
ays
wh
ere
lo
ad
lim
its a
re d
escri
be
d in
re
gu
latio
ns o
nly
an
d b
rid
ge
s a
re g
oo
d f
or
all
tru
cks. O
nly
do
wn
-ra
ted
str
uctu
res a
nd h
ea
vy h
aul ro
ute
s.
37
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
- d
isc
us
sio
n
P
ost e
xce
ptio
ns b
esid
e n
etw
ork
ra
tin
g s
ign
▫L
ow
ca
pa
city b
rid
ge
s a
nd
do
wn
-ra
ted
bri
dg
es.
▫M
ay b
e c
on
fusin
g if m
any e
xce
ption
s.
▫A
lso
po
st exce
ption
s a
t th
e b
rid
ge
.
S
plit
ne
two
rk a
nd
po
st ra
tin
g s
ign
s fo
r e
ach
▫P
ostin
g a
pp
lies f
rom
KM
x to K
M y
of
FS
R
38
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Lo
ad
Ra
tin
g C
on
cep
t –
so
me o
f
su
rvey
feed
back
C
on
ce
pt
makes s
ense a
nd is tim
ely
response t
o r
apid
ind
ustr
ial g
row
th in n
ort
h.
N
ot
su
re that new
sig
ns w
ill a
llevia
te o
verloadin
g p
roble
m –
ma
y o
nly
cost extr
a $
.
C
ap
acity s
igns m
ay c
hange b
y s
eason –
con
fusin
g! M
ay b
e
bett
er
to m
ake
all
bridg
es m
ee
t m
inim
um
ca
pa
city.
Lo
cate
new
sig
n s
om
ew
here
safe
to s
top, ne
ar
PoC
, and
whe
re t
rucks c
an tu
rn a
round.
S
om
e n
etw
ork
s a
re inte
r-connecte
d a
nd w
ill r
equire s
igns a
t
all
entr
ance
s.
S
ign
s m
ust
cle
arly d
elin
eate
applic
able
port
ion o
f netw
ork
.
39
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Ro
ad
Us
e P
erm
its
C
on
sis
tency w
ith inclu
sio
n in r
oad u
se p
erm
it d
ocum
enta
tion
(Se
ctio
n 2
Conditio
ns o
f U
se).
B
ett
er
art
icu
late
s loa
din
g lim
ita
tio
ns f
or
veh
icle
typ
es.
In
cre
ases d
issem
ination o
f safe
vehic
le w
eig
hts
inclu
din
g
sh
ort
tru
ck a
nd t
racked e
quip
ment
whic
h a
ren’t c
urr
ently
be
ing
captu
red o
r used.
C
ou
ld b
e u
sed t
o d
eta
il w
hat
part
of ro
ads t
hat ro
ad load
ratin
g a
pplie
s t
o (
if m
ix o
f F
SR
& R
UP
).
In
form
oth
er
road u
sers
thru
cuttin
g p
erm
its,
constr
uction
co
ntr
acts
, B
CT
S b
idd
ing info
rma
tion
, ro
ad
sig
nag
e,
and
loca
l
roa
d s
afe
ty c
om
mitte
es.
40
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Re
ca
p:
Ro
ad
Lo
ad
Ra
tin
g c
on
ce
pt
O
pp
ort
unity to
in
clu
de in
form
ro
ad
use
rs
about safe
tru
ck w
eig
hts
and w
hat part
s o
f
road
netw
ork
th
at ro
ad
lo
ad
ra
ting
app
lies t
o.
In
form
oth
er
road
use
rs th
ru c
utt
ing
perm
its,
constr
uction c
ontr
acts
, B
CT
S b
iddin
g
info
rmation
, ro
ad
sig
nag
e, a
nd
lo
ca
l ro
ad
sa
fety
co
mm
itte
es.
41
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Qu
es
tio
ns
an
d D
isc
us
sio
n
42
ww
w.fpin
novations.c
a
Fo
llow
us o
n
© 2
01
5 F
PIn
no
va
tio
ns. A
ll r
igh
ts r
ese
rve
d. C
op
yin
g a
nd
re
dis
trib
utio
n p
roh
ibite
d. ®
FP
Inn
ova
tio
ns, its m
ark
s a
nd
lo
go
s a
re tra
de
ma
rks o
f F
PIn
no
va
tio
ns.
Th
an
k y
ou
For
more
info
rmation p
lease
conta
ct:
Alla
n B
rad
ley a
t (6
04
) 2
22
-5667 A
llan
.Bra
dle
y@
fpin
no
va
tio
ns.c
a
Bri
an C
how
at
(250)
953
-4370
B
rian.C
how
@gov.
bc.c
a
Als
o s
ee
the r
oad load
rating p
roje
ct
on the F
LN
RO
Engin
eering
Bra
nch w
ebsite
htt
ps:/
/ww
w.f
or.
go
v.b
c.c
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th/e
ng
ineeri
ng
/Bri
dg
es_
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ert
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