Bridge conditions in St. Martin Parish, Louisiana
117 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
St. Martin Parish tracks close to typical: 10 of its 117 inventoried bridges (8.5%) are rated poor, against a national rate of about 7%.
- 10 of the 117 bridges in St. Martin Parish, Louisiana, are rated in poor condition (8.5%) in the 2025 National Bridge Inventory, as of .
- 46 bridges (39.3%) are rated good and 61 (52.1%) fair.
- The median St. Martin Parish bridge was built in 1972.
- The busiest poor-rated bridge is LA0350 over Bayou Teche Parks (built 1950), carrying about 3,378 vehicles a day.
Good 39.3% · Fair 52.1% · Poor 8.5% of 117 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| LA0350 over Bayou Teche Parks | 1950 | 3,378 | Poor |
| LA0352 over Bayou Amy | 1968 | 2,711 | Poor |
| Sawmill Rd. over Coulee Datider | 1975 | 1,100 | Poor |
| I0010 over Ramp B. Off Ramp | 1971 | 970 | Poor |
| LA0975 over Creek | 1968 | 231 | Poor |
| LA0975 over Creek | 1968 | 231 | Poor |
| Ches Courville Rd over Nicole Coulee | 1975 | 166 | Poor |
| Division Rd over Coulee Du Portage | 1965 | 129 | Poor |
| Lake Fausse St Pk over Lake Fausse Point | 1980 | 66 | Poor |
| Auguillard Rd over Coulee | 1975 | 40 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0090 over Creek | 1965 | 62,432 | Fair |
| Sawmill Rd over I-10 | 1970 | 60,066 | Good |
| I0010 over Atchafalaya River | 1972 | 56,100 | Fair |
| I0010-e over La 328 | 2020 | 50,425 | Good |
| I0010 over Bayou Teche | 1970 | 50,425 | Good |
| I0010 over E Atchafalaya Floodway | 1972 | 42,449 | Fair |
| I0010 over E. Atchafalaya Fldy | 1972 | 42,449 | Fair |
| I0010 over Bayou Portage | 1970 | 37,370 | Fair |
| I0010 over W Atchafalaya Floodway | 1971 | 37,370 | Fair |
| I0010 over La 347 | 1970 | 25,875 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Louisiana: Louisiana bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.