St. Martin County, LA
116 public highway bridges
St. Martin County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, St. Martin County, Louisiana contains 116 public highway bridges. Roughly 32.8% are rated “Good,” 50.9% “Fair,” and 8.6% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (116)
Sawmill Rd.
FairOver: COULEE DATIDER
1.3 Mi. W of LA 341, St. Martin, LA
LA0092
FairOver: TECHE BAYOU
0.49 MI E OF LA 31, St. Martin, LA
I0010
FairOver: RAMP A. ON RAMP
0.37 Mi W of LA 3177, St. Martin, LA
I0010
FairOver: RAMP D. ON RAMP
4.8 MI EAST OF LA 347, St. Martin, LA
Potato Shed Rd
FairOver: BAYOU BERARD DRAIN CANAL
0.8 MI. E. OF HWY LA 678, St. Martin, LA
US0090
FairOver: CREEK
0.73 MI SOUTH OF LA 96, St. Martin, LA
I0010
FairOver: DRAIN
5 Mi E of LA 328, St. Martin, LA
I0010
FairOver: E ATCHAFALAYA FLOODWAY
7.56 MI EAST OF LA 347, St. Martin, LA
I0010
FairOver: E ATCHAFALAYA FLOODWAY
0.8 Mi W. Of La 975, St. Martin, LA
I0010
FairOver: E. ATCHAFALAYA FLDY
13.6 MI EAST OF LA 347, St. Martin, LA
I0010
FairOver: RAMP C. OFF RAMP
4.61 MI EAST OF LA 347, St. Martin, LA
LA0092
FairOver: LASALLE COULEE
1.5 MI East of US 90, St. Martin, LA
LA0096
FairOver: CATAHOULA LAKE BRIDGE
8.0 Mi N of LA 679, St. Martin, LA
I0010
FairOver: WEST ATCHAFALAYA FLDWAY
4.49 Mi E of LA 347, St. Martin, LA
LA0182
FairOver: LASALLE COULEE
0.23 MI N of LA 92-1, St. Martin, LA
I0010
FairOver: BAYOU PORTAGE
2.0 MI EAST OF LA 347, St. Martin, LA
I0010
FairOver: BAYOU PORTAGE
5.00 Mi W of LA 3177, St. Martin, LA
Doyle Melancon Rd
FairOver: COULEE
2.3 Mi. S of LA 347, St. Martin, LA
E. Refinery Rd.
GoodOver: TECHE BAYOU
0.12 MI. EAST OF LA 31, St. Martin, LA
Herman Dupuis Rd.
GoodOver: COULEE
1.6 Mi SW of LA 3177, St. Martin, LA
LA0686
GoodOver: SOUTH RELIEF CANL
1.5 MI SOUTH OF LA 347, St. Martin, LA
LA3039
GoodOver: CANAL
3.0 MI NORTH OF LA 347, St. Martin, LA
4 Mile Bayou Rd
GoodOver: Hog Bayou
7.3 MI N. Of LA 70, St. Martin, LA
LA0686
GoodOver: CREEK
2.0 MI NORTH OF LA 347, St. Martin, LA
LA0094
GoodOver: BAYOU TECHE
0.1 MI WEST OF LA 31, St. Martin, LA
LA0096
GoodOver: CREEK
5.5 Mi. East of LA 182, St. Martin, LA
LA0096
GoodOver: CREEK
6.3 Mi. East of LA 182, St. Martin, LA
LA0096
GoodOver: POINTE CLAIRE COULEE
1.17M EAST OF LA 347, St. Martin, LA
Moise Mallet Rd.
GoodOver: BAYOU MALLET
0.5 Mi NE of LA 686, St. Martin, LA
Four Mile Bayou Rd
GoodOver: Coulee
4.6 Mi. NE of LA 70, St. Martin, LA
LA0031
GoodOver: Ruth Canal
0.6 Mi. N of LA 351, St. Martin, LA
Potato Shed Road
GoodOver: Portage Bayou
0.3 Mi E. of LA 678, St. Martin, LA
LA0686
GoodOver: CREEK
4.60 Mi N of LA 347/678, St. Martin, LA
4-Mile Bayou Rd
GoodOver: Canal
6.1 Mi. E. of LA 70, St. Martin, LA
LA0096
GoodOver: CYPRESS BAYOU
1.8 MI W OF US 90, St. Martin, LA
Capritto Rd
GoodOver: COULEE
0.31M NORTH OF LA 96, St. Martin, LA
LA0096
GoodOver: RUTH BAYOU
2.3 MI WEST OF LA 31, St. Martin, LA
LA0686
GoodOver: CREEK
0.16 MI NORTH OF LA 737, St. Martin, LA
I0010
GoodOver: ATCHAFALAYA FLOODWAY
11.6 MI EAST OF LA 347, St. Martin, LA
LA0347
GoodOver: NICHOLAS COULEE
1.8 MI E of LA 347, St. Martin, LA
BAYOU MERCIER RD
GoodOver: BERARD CANAL BAYOU
.01 MI. W. OF LA 352, St. Martin, LA
LA0092
GoodOver: Bayou Tortue
1.84 MI East Of LA 182, St. Martin, LA
I0010
GoodOver: BAYOU TECHE
5.9 Mi. East of I-49, St. Martin, LA
I0010
GoodOver: BAYOU TECHE
0.7 MI WEST OF LA 328, St. Martin, LA
LA0351
GoodOver: BAYOU TECHE
0.1 Mi W of 321, St. Martin, LA
LA3083
GoodOver: Bayou Alexandre
3.9 Mi. E. of LA 679, St. Martin, LA
Tilac Rd
GoodOver: MAGENTA CANAL
0.9 Mi. NW of LA 354, St. Martin, LA
Herman Dupuis Rd
GoodOver: Bayou La Rose
0.5 Mi E of LA 352, St. Martin, LA
Lion Castille Rd
GoodOver: BAYOU PORTAGE GUIDRY
1.07 Mi SE of I-10, St. Martin, LA
Banker Rd
GoodOver: COULEE
1.3 Mi. W. of LA 679, St. Martin, LA
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.