Bridge conditions in San Augustine County, Texas
94 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
None of the 94 inventoried bridges in San Augustine County are rated in poor condition in the current federal inventory. 45 are rated good and 49 fair.
- 0 of the 94 bridges in San Augustine County, Texas, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 45 bridges (47.9%) are rated good and 49 (52.1%) fair.
- The median San Augustine County bridge was built in 1977.
Good 47.9% · Fair 52.1% · Poor 0.0% of 94 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 21 over RR & Ayish Byu & City St | 1984 | 5,300 | Fair |
| SH 103 over Attoyac Bayou | 1965 | 5,015 | Fair |
| SH 103 over Turkey Creek | 1954 | 4,123 | Good |
| SH 103 over Johnson Creek | 1950 | 3,359 | Fair |
| SH 21 over Perkins Creek | 2017 | 3,341 | Good |
| US 96 over Ayish Bayou | 2017 | 3,299 | Good |
| SH 103 over US 96 | 1971 | 3,095 | Fair |
| SH 103 over Chinquapin Creek | 1956 | 2,379 | Good |
| SH 147 over Black Slough | 1977 | 2,373 | Good |
| SH 147 over Caney Creek | 1977 | 2,373 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Texas: Texas 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.