Effective: Aug. 2008
Supercedes: Jan. 2006
#
6
GENERAL NOTES:
B
¸ 3~0" x 18" Sleeper
Slab and ¸ 3/4" Joint Filler
Outside Face of Bridge
Safety Barrier Curb
(B
DOCUMENT."
o
tt
6~0"
6~0"
4~0"
(Typ.)
(Typ.)
(Typ.)
(Typ.)
(Typ.)
#7 Bars at 12" cts.
9~0"
Payment for furnishing all materials, labor and
excavation necessary to construct the approach slab,
including the timber header, sleeper slab, underdrain,
Type 5 aggregate base, joint filler and all other
appurtenances and incidental work as shown
on this sheet, complete in place, will be considered
completely covered by the contract unit price for Bridge
Approach Slab (Bridge) per square yard.
For Concrete Approach Pavement details, see roadway
plans.
D
Roadway Surface and
3" x 10" Timber Header
3" x 8" Wood Block
Optional 3"
Wedge Block
8"
Top of Sleeper Slab
6" x 1" Wood Scab (Nail to block)
#4 Bars at 18" cts.
PART ELEVATION
SECTION D-D
D
(Min.)
Note: Remove timber header when concrete pavement is placed.
DETAILS OF TIMBER HEADER
#6 Bars at 15" cts.
Cl.
2"
1/4 "
CONST. JOINT DETAIL
¸ 3~0" x 18" Sleeper Slab
12" (Min.) (at
bridge gutter line)
Sand
TYPICAL UNDERSEAL
ACCESS HOLE DETAIL
6"
Timber Header
Type A Curb
18"
4"
Cl.
2"
#4 Stirrup Bars
at abt. 12" cts.
2 layers of 30# (min.)
roofing felt (placed
between bridge approach slab,
roadway concrete approach
pavement and sleeper slab)
3"
Type 5
Aggregate Base
1/4" Joint
Filler (*)
End of Bridge
Safety Barrier
Curb
3-#6 Bars
Gutter line of
Type A Curb aligns
with the chamfer
at the transition
end of bridge curb
3/4" Joint
Filler (*)
Bottom of
Sleeper Slab
3~0"
BRIDGE APPROACH SLAB
Note: This drawing is not to scale. Follow dimensions.
Sheet No.
#4 STIRRUP BAR
(ACTUAL LENGTH
= 8~3")
3
"
"
2
1/2 "
2"
TYPICAL 135^ STIRRUP
HOOK DIMENSIONS
BENDING DIAGRAM
(Top and bottom)
18"
2~9"
1" Chamfer
Transition 1" chamfer
to 0" chamfer at Type
A Curb height for gutter
line to match at curbs
SECTION E-E
SECTION C-C
Detailed
Checked
2~9"
End of Wing
2 Layers of Polyethylene Sheeting (Placed between
bridge approach slab and construction base) shall
comply with the requirements of AASHTO M171
Perforated Drain Pipe
(Slope to drain)
Cl.
#8 Bars at 5" cts.
Fill Face
of Bridge
End Bent
2 3/4 "
Approach
#6 Bars at 15" cts. (Bott.)
#7 Bars at 12" cts.
Drain pipe may be either 6" diameter corrugated
metallic-coated pipe underdrain, 4" diameter corrugated
polyvinyl chloride (PVC) drain pipe, or 4" diameter
corrugated polyethylene (PE) drain pipe.
(Clear Opening)
1/4 "
#4 Bars at 18" cts. (Top)
Const. Joint
When Grade 40 reinforcement is substituted for the
Grade 60 #5 dowel bars connecting the bridge approach
slab to the bridge abutment, the reinforcement may be
bent up to 90 degrees with a 2" minimum radius near the
abutment to allow compaction of the backfill material
near the abutment. Damage to epoxy coating shall be
repaired in accordance with Sec 710.
1"
1/3 Depth
Note: With the approval of the engineer, the contractor may crown the
bottom of the approach slab to match the crown of the roadway surface.
#5 Bars at abt. 12"
cts. (see end bent
sheets)
Joint
Sealing
Material
Finish each side of
joint with 1/4" radius
edging tool
2"
SECTION B-B
Slab
Thickness
#8 Bars at 5" cts.
See Missouri Standard Plans Drawing 609.00 for details
of Type A Curb.
At the contractor’s option, Grade 40 reinforcement may
be substituted for the Grade 60 #5 dowel bars
connecting the bridge approach slab to the bridge
abutment. No additional payment will be made for this
substitution.
6" x 1" Wood Scab
Top of Sleeper Slab
Transition from Roadway Crown
to Bridge Crown as necessary
APN 1
Longitudinal construction joints in approach slab and
sleeper slab shall be aligned with longitudinal
construction joints in bridge or semi-deep slab.
Header Supports
3" x 8" Wood Block or
optional 3" Wedge Blocks
Type A
Curb (Typ.)
BRIDGE NO.
The contractor shall pour and satisfactorily finish the
bridge or semi-deep slab before pouring the bridge
approach slabs.
at abt. 3~0" cts.
Roadway face of
Bridge Approach Slab
#8 Bars at 5" cts.
SECTION A-A
PROJECT NO.
CONCRETE
APPROACH
PAVEMENT
(RDWY. ITEM)
3"
¸ 3/4" x 8" Lag Bolt
(Washer under head)
with 4" Coil tie
Insert
#6 Bars at 15" cts.
JOB NO.
CONTRACT ID.
Hooks and bends shall be in accordance with the CRSI
Manual of Standard Practice for Detailing Reinforced
Concrete Structures, Stirrup and Tie Dimensions.
Outside Face of Type A Curb
and Bridge Approach Slab
1"
3" x 10"
Timber Header
*
*
PART PLAN
#4 Bars at 18" cts.
*
COUNTY
Note:
Nominal lengths are based on
out to out dimensions shown
in bending diagram and are
listed for fabricators use
(nearest inch).
(BETWEEN CURBS)
REV.
#7 Bars at 12" cts.
Transition from Roadway Crown
to Bridge Crown as necessary
BR
(*) Seal joint between vertical face of approach slab
and wing with "Silicone Joint Sealant for Saw Cut and
Formed Joints" in accordance with Sec 717.
(SHOWING TYPICAL UNDERSEAL ACCESS HOLE LOCATIONS)
Bridge Safety
Barrier Curb
(Typ.)
MO
SHEET NO.
105 WEST CAPITOL
3~0"
6~0"
STATE
*
DISTRICT
Mechanical bar splices shall be in accordance with
Sec 706.
¸ 3~0" x 18"
Sleeper Slab
and ¸ 3/4"
Joint Filler
3~0"
ROUTE
The reinforcing steel in the bridge approach slab and
the sleeper slab shall be continuous. The transverse
reinforcing steel may be made continuous by lap
splicing the #4 & #6 bars 18" and 2’-2", respectively.
(Max.)(Typ.)
3~0"
(Typ.)
BRIDGE
Underseal Access
Hole (Typ.)
PART PLAN SHOWING REINFORCEMENT
3/4" Joint Filler
(Typ.) (*)
DATE PREPARED
07/28/2008
Minimum clearance to reinforcing steel shall be 1 1/2",
unless otherwise shown.
BRIDGE
APPROACH
SLAB
(Typ.)
Bridge Width
(Same as roadbed width)
¸ Roadway
#7 Bars at 12" cts. (Top)
"
2
1
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b
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A
The reinforcing steel in the bridge approach slab and
the sleeper slab shall be epoxy coated Grade 60 with
Fy = 60,000 psi.
(Longitudinal sleeper slab reinforcement
not shown for clarity.)
Outside Face of Bridge
Safety Barrier Curb
B
E
n
rr
u
1/4" Joint Filler
between Curbs
(Typ.) (*)
(I
S
ti
4
#
E
CONCRETE
APPROACH
PAVEMENT
(RDWY. ITEM)
#8 Bars at 5" cts. (Bott.)
c
ts
.
C
Fill Face of
End Bent
BRIDGE
3/4" Joint Filler (Typ.) (*)
(See end bent sheets)
#5 Bars at abt. 12" cts.
.)
BRIDGE
APPROACH
SLAB
A CERTIFIED
JEFFERSON CITY, MO 65102
B
NOT BE CONSIDERED
All joint filler shall be in accordance with Sec 1057
for preformed fiber expansion joint filler, except as
noted.
1-888-ASK-MODOT (1-888-275-6636)
.
A
"THIS MEDIA SHOULD
DESCRIPTION
ts
All concrete for the bridge approach slab and sleeper
slab shall be in accordance with Sec 503 (f’c =
4,000 psi).
DATE
c
COMMISSION
"
MISSOURI HIGHWAYS AND TRANSPORTION
25~0"
Outside Face of
Type A Curb and
Bridge Approach
Slab
13 1/2 "
5
4 1/2 "
1
3"
t
Detailing
a
dimension
rs
13 1/2 "
a
IF A SEAL IS PRESENT ON THIS SHEET IT HAS BEEN ELECTRONICALLY SEALED AND DATED.
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07/28/2008