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StandardDivisionBridge
of this standard to other for
mats or for in
correct results or da
mages resultin
g fro
m its use.
kin
d is
made by Tx
DO
T for any purpose
whatsoever. Tx
DO
T assu
mes no responsibilit
y for the conversio
n
The use of this standard is governed by the "T
exas E
ngin
eerin
g Practic
e
Act".
No
warranty of any
DIS
CL
AI
ME
R:
FILE:
DA
TE:
DN: CK: DW: CK:FILE:
JOB
COUNTY
SECT
DIST
REVISIONS
GAF TxDOT TxDOT GAF
HIGHWAY
SHEET NO.
C TxDOT
CONT
racste01.dgn
February 2010
RAIL MOUNTING DETAILS
RAIL ANCHORAGE CURB
RAC
SHEET 1 OF 2
BOX CULVERT
(CURBS 8" TO 5'-0" TALL ONLY)
9"
Max
8"
Min ~
9"
Max
8"
Min ~
1'-
9"
Min Lap
1'-
6"
Max
Over 2'-
0" to 5'-
0"
Max
1'-
9"
Min Lap
1'-
6"
Max
Over 2'-
0" to 5'-
0"
Max
Same as Curb
Height "C"
anchorage details
standard for rail
See applicable rail
anchorage details
standard for rail
See applicable rail
anchorage details
standard for rail
See applicable rail
anchorage details
standard for rail
See applicable rail
anchorage details
standard for rail
See applicable rail
2'-3" 2'-3" 2'-3" 2'-3"
2'-3" 2'-3"
anchorage details
standard for rail
See applicable rail
Grade
Finished
Grade
Finished
of Culvert
Top Slab
Jt
Const
Jt
Const
of Culvert
Top Slab
Skewed Culvert
Outside Wall of
U & Z
Bars
U & Z do not fit
those areas where Bars
of normal Bars U & Z in
Type 3) installed in lieu
Bars S (S & U in Curb
Grade
Finished
Jt
Const
of Culvert
Top Slab
Bars
H S
pa
Eq S
pa at
2 E
q S
pa
"C"
"C"
U2(#4)
H(#4)
H(#4)
2
Typ
Z (#5)
Typ
"T"
"T"
Bars L
Bars
U2
& Z
2Bars L
1
1
2"
Bars
H S
pa
Eq S
pa at
2 E
q S
pa
"C"
U2(#4)
H(#4)
Typ
2"
"C"
H(#4)
Typ
"C"
H(#4)
Typ
Bars S, U, & Z Spacing as shown in Table
TYPE 3 CURB
SECTION A-A SECTION B-B
Anchorage Curb
H(#4)
1
Typ
Z (#5)
"T"
U1(#4)
Bars L 1
TYPE 2 CURB
SECTION B-BSECTION A-A
TYPE 1 CURB
SECTION A-A SECTION B-B
TYPICAL CURB PLAN
Same as Curb
Height "C"
0.056
0.063
0.083
0.125
0.167
0.250
0.333
0.417
21.5
21.5
29.7
30.6
31.5
44.6
56.8
60.0
REINFORCING SPACING
TABLE OF
"C"
Curb Height
Type
Section
ESTIMATED QUANTITIES
TABLE OF
Type
Section
"C"
Height
Curb
(Lb/LF)
Steel
Reinf
(CY/LF)
Concrete
Class "C"
& Z Spa
Bars S, U,
12"
9"
7"
5"
1
2
3
3
4
1
2
2
2
3
3
3
8"
9"
1'-6"
2'-0"
3'-0"
4'-0"
5'-0"
4
1
2
3
8" to 9"
Over 9" to 2'-0"
Over 2'-0" to 3'-0"
Over 3'-0" to 5'-0"
1'-0"
1
2'-
0"
Over 9" to
Spaced at 6" Max Spaced at 6" Max
Min hook
to provide
Field Bend
(2'-
3"
Max)
Min
2'-0"
2'-0"
2'-0"
2'-0"
2'-0" 2'-0"
BARS L (#6)OPTIONAL
10" 10"
Z Z21
3'-8"
12"
2'-8"
12"
3
8"
"C"
plu
s 3"
2 2BARS Z (#5)BARS U2 (#4)BARS U1 (#4) BARS L (#6) BARS S1 (#5)
5"
6"
Typ
BARS S2 (#5)
6"
Typ
BARS S3 (#5)
1'-
9"
(1'-
9"
Max)
L(#6) 2
L(#6) 2
L(#6) 2
"C"
2'-
0"
Over 9" to
2'-
3"
Curb
Anchorage
A
A
B
B
" Max
21
2
" Min
21
1
" Max
21
2
" Min
21
1
"211 "2
11
"2
14
"2
11
"2
11
"211 "2
11
"2
14
"2
11
"2
11
"211 "2
11
"2
14
"211 "2
11
(4'-
9"
Max)
bar.
Reinforcing bar dimensions shown are out-to-out of
otherwise.
Cover dimensions are clear dimensions, unless noted
"2
12
"2
12
"2
12
on standards T80HT, T80SS and T224 are not required when used with the RAC standard.
(Bars L(#5) on T223 and C223 Rails are not used for this structure). Bars RH(#5) required
Used for curbs from 8" to 9" (Showing "C" = 9"). Showing T223 Rail, other rails similar.
on standards T80HT, T80SS and T224 are not required when used with the RAC standard.
(Bars L(#5) on T223 and C223 Rails are not used for this structure). Bars RH(#5) required
Used for curbs over 9" to 2'-0" (Showing "C" = 2'-0"). Showing T223 Rail, other rails similar.
standards T80HT, T80SS and T224 are not required when used with the RAC standard.
(Bars L(#5) on T223 and C223 Rails are not used for this structure). Bars RH(#5) required on
Used for curbs over 2'-0" to 5'-0" (Showing "C" = 4'-0"). Showing T223 Rail, other rails similar.T80HT, T80SS and T224 are not required when used with the RAC standard.
Rails are not used for this structure). Bars RH(#5) required on standards
Showing typical installation on skewed culvert. (Bars L(#5) on T223 and C223
Z1(#5)
Bars Z1 in overhang)
S1(#5) (replaces
skewed corner)
curb overhang at
Bars U1 & Z1 in
S2(#5) (replaces
Bars S
3
w/
U2
skewed corner)
overhang at
Bars Z2 in curb
S3(#5) (replaces
Height,"C".
interpolated for intermediate values of Curb
The values for each section type in table can be
only. Quantities are per Linear Foot of curb length.
Quantities shown are for Contractor's information
Box Culverts with 3'-0" closure pours.
Optional Bars L are to be used only for Precast
Tilt Bars L hook as necessary to maintain cover.
SCP-MD Standard for additional details.
Precast Boxes with slabs less than 7" thick, see
"T" is equal to the culvert top slab thickness. For
11" "C
" min
us 3"
GENERAL NOTES:
CONSTRUCTION NOTES:
MATERIAL NOTES:
03-16: Notes.
07-12: Width.
T101 Anchor PL.
05-11: Type 3 Curb, Sect B-B, Gen Notes,
greater than those shown will require special design.
5'-0" tall only. Curb heights that are less than or
These details are for use with curbs that are 8" to
Culvert for payment.
This anchorage curb is considered part of the Box
speed restrictions, notes and details not shown.
See appropriate rail standard for approved design
strength for use with all standard rail types.
The rail anchorage curb details have sufficient
Specifications.
Designed according to AASHTO LRFD Bridge Design
Class "C" (HPC) concrete if shown elsewhere in the plans.
Provide Class "C" concrete (f'c=3,600 psi). Provide
Provide Grade 60 reinforcing steel.
flush with the finished grade.
For vehicle safety, the top of the curb must be
culvert standard sheets.
culvert curb reinforcing bars K and H shown on the
When using this anchorage curb, omit normal
"C"
min
us 3"
2'-
3"
StandardDivisionBridge
of this standard to other for
mats or for in
correct results or da
mages resultin
g fro
m its use.
kin
d is
made by Tx
DO
T for any purpose
whatsoever. Tx
DO
T assu
mes no responsibilit
y for the conversio
n
The use of this standard is governed by the "T
exas E
ngin
eerin
g Practic
e
Act".
No
warranty of any
DIS
CL
AI
ME
R:
FILE:
DA
TE:
DN: CK: DW: CK:FILE:
JOB
COUNTY
SECT
DIST
REVISIONS
GAF TxDOT TxDOT GAF
HIGHWAY
SHEET NO.
C TxDOT
CONT
racste01.dgn
February 2010
RAIL MOUNTING DETAILS
RAIL ANCHORAGE CURB
RAC
SHEET 2 OF 2
BOX CULVERT
(CURBS 8" TO 5'-0" TALL ONLY)
See culvert wingwall standard for bars and details not shown.
not shown for clarity
Curb reinforcing and footings
culvert curb.
Anchorage Curb similar to that shown for a normal
PW standard sheet, must extend 1'-6" into the
Bars G (#5), as identified on the PARALLEL WINGS
Grade
Finished
Footing
Wing
Reinforcing
Normal Wing
top of Curb
Flush with
Skewed Culvert
Outside Wall of
Culvert
of Square
Outside Wall
(Typ)
Bars G
Wingwall
Curb
Anchorage
on wingwalls
anchorage details
standard for rail
See applicable rail
(Typ)
Const Jt
Permiss
1'-0"
Parallel
Win
g
TYPICAL CURB PLANSECTION C-C
5
5
INSTALLATION AT PARALLEL CULVERT WINGWALLS
C
C
03-16: Notes.
07-12: Width.
T101 Anchor PL.
05-11: Type 3 Curb, Sect B-B, Gen Notes,