St. Mary County, LA
124 public highway bridges
St. Mary County Bridge Snapshot
St. Mary County, Louisiana contains 124 public highway bridges in the FHWA National Bridge Inventory. Roughly 25.8% are rated “Good,” 54.8% “Fair,” 6.5% “Poor,” and 6.5% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.
Inspections in LA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (124)
US0090
UnknownOver: LA 318
4.6 MI W OF LA 83, St. Mary, LA
US0090
UnknownOver: LA 318
3.1 MI E OF LA 668, St. Mary, LA
US0090
UnknownOver: LA 83, S.P. RR
4.6 MI E OF LA 318, St. Mary, LA
US0090
UnknownOver: LA 83, S.P. RR
3.2 MI NW OF LA 3211, St. Mary, LA
US0090
UnknownOver: CHARENTON CANAL/FRONTAGE
1.36 Mi E of LA 83, St. Mary, LA
US0090
UnknownOver: CHARENTON CANAL
2.05 MI W of LA 3211, St. Mary, LA
US0090
UnknownOver: US 90 OVER LA 3211
US 90 EB over LA 3211, St. Mary, LA
US0090
UnknownOver: US 90 OVER LA 3211
US 90 WB over LA 3211, St. Mary, LA
US0090
UnknownOver: LA 3215,BNSF,Alice C Rd
5.0 MI SE OF LA 3211, St. Mary, LA
US0090
UnknownOver: LA 3215,BNSF,Alice C Rd
2.0 MI MI NW OF LA 317, St. Mary, LA
US0090
UnknownOver: LA 317
7.0 MI East of LA 3211, St. Mary, LA
US0090
UnknownOver: LA 317
3.98 MI W of LA 182, St. Mary, LA
US0090/RAMP A
UnknownOver: US 90
8.5 MI EAST OF LA 182, St. Mary, LA
US0090
UnknownOver: ON-RAMP
0.14 MI W of LA 182, St. Mary, LA
US0090
UnknownOver: US 90 EB ON RAMP
0.14 MI W of LA 182, St. Mary, LA
US0090
UnknownOver: La 182/LA70/LOC/DRAINAGE
0.7 MI E OF LA182, St. Mary, LA
LA0319
FairOver: CYPREMORT POINT
7.6 MI SOUTH OF LA 83, St. Mary, LA
Katy Bridge App Rd
FairOver: TECHE BAYOU
0.2 Mi. N of La 182, St. Mary, LA
LA0322
FairOver: BAYOU TECHE
0.09 MI WEST OF LA 87, St. Mary, LA
Cotten Rd.
FairOver: POSSUM POINT BAYOU
2.1 M S of US 90, St. Mary, LA
Verdunville Rd.
FairOver: Verdunville Canal
2.2 Mi. E of LA 87, St. Mary, LA
Penn Rd
FairOver: COULEE
0.6 Mi S of La 182, St. Mary, LA
Alice C. Rd.
FairOver: Yellow Bayou Canal
0.8 Mi. W. of LA 317, St. Mary, LA
Chatsworth Rd
FairOver: Yokely Bayou
0.3 Mi S of LA 3211, St. Mary, LA
LA0182
FairOver: HANSON CANAL
2.07 MI SOUTH OF LA 87, St. Mary, LA
LA0319
FairOver: INTRACOASTAL CANAL
1.6 MI SOUTH OF LA 83, St. Mary, LA
Pepper Rd
FairOver: COULEE
0.8 Mi S of US 90, St. Mary, LA
Pepper Rd.
FairOver: COULEE
0.2 Mi S of US 90, St. Mary, LA
Cypremort Rd.
FairOver: KELLY CANAL
1.5 Mi SE of LA 318, St. Mary, LA
LA0670
FairOver: BAYOU TECHE
0.017 M E OF LA 182, St. Mary, LA
LA3069
FairOver: B TECHE FRANKLIN
0.25 Mi SW of LA 87, St. Mary, LA
LA0083
FairOver: BELLIVUE CANAL
4.5 MI NORTH OF LA 319, St. Mary, LA
Chatsworth Rd.
FairOver: FRANKLIN CANAL
1.2 Mi S of LA 3211, St. Mary, LA
Bridge Rd
FairOver: LOWER ATCHAFALAYA RIVER
0.2 Mi. E. of LA 182, St. Mary, LA
Zenor Bridge Rd
FairOver: TECHE BAYOU
0.05 Mi NW of LA 182, St. Mary, LA
Centerville Br Rd.
FairOver: TECHE BAYOU
0.1 Mi N of La 182, St. Mary, LA
Sorrel Bridge Rd
FairOver: TECHE BAYOU
0.2 Mi N of LA 182, St. Mary, LA
Barrow St.
FairOver: CANAL
0.3 Mi S of LA 3211, St. Mary, LA
US0090
FairOver: VACHERIE CANAL
3.24 Mi W of LA 83, St. Mary, LA
US0090
FairOver: VACHERIE CANAL
1.4 MI EAST OF LA 318, St. Mary, LA
US0090
FairOver: VACHERIE CANAL
3.24 Mi W of LA 83, St. Mary, LA
LA0317
FairOver: YELLOW BAYOU
0.5 Mi. North of US 90, St. Mary, LA
Veterans Blvd.
FairOver: CANAL
0.2 Mi NW of LA 70, St. Mary, LA
US0090/FRONTAGE RD
FairOver: DRAIN
2.7 Miles East of LA 668, St. Mary, LA
FLAMINGO BLVD
FairOver: CREEK
0.02 SE of LA 70, St. Mary, LA
MLK Jr. St.
FairOver: CHOUPIQUE BAYOU
0.2 Mi SE of La 83, St. Mary, LA
Cypremort Rd.
FairOver: VACHERE CANAL
0.05 Mi N. LA 83, St. Mary, LA
Veterans Blvd.
FairOver: CANAL
0.2 Mi S of Hickory St., St. Mary, LA
LA0083
FairOver: IVANHOE CANAL
2.8 Mi EAST OF LA 319, St. Mary, LA
FLAMINGO BLVD
FairOver: CREEK
0.02 SE of LA 70, St. Mary, LA
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |