San Augustine County Bridge Report Card
San Augustine County scores 96 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
San Augustine County, Texas
San Augustine County has 94 bridges in the National Bridge Inventory, with 0 rated poor and 2 rated scour-critical. Its poor-condition share of 0.0% is at or below the 1.2% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives San Augustine County a Bridge Condition Exposure Score of 96/100 (A). The county has 94 bridges in the National Bridge Inventory, including 0 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 0 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 2.1% | 4.3 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 80,912 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 0.0% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.1% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in San Augustine County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| FM 1277 over Spear Creek | Scour-critical foundation rating | Fair | 724 | 1958 |
| CR 254 over Niciper Creek | Scour-critical foundation rating | Good | 4 | 2011 |
| SH 21 over Rr & Ayish Byu & City ST | High traffic | Fair | 5,300 | 1984 |
| SH 103 over Attoyac Bayou | High traffic | Fair | 5,015 | 1965 |
| SH 103 over Turkey Creek | High traffic | Good | 4,123 | 1954 |
| SH 103 over Johnson Creek | High traffic | Fair | 3,359 | 1950 |
| SH 21 over Perkins Creek | High traffic | Good | 3,341 | 2017 |
| US 96 over Ayish Bayou | High traffic | Good | 3,299 | 2017 |
| SH 103 over US 96 | High traffic | Fair | 3,095 | 1971 |
| SH 103 over Chinquapin Creek | High traffic | Good | 2,379 | 1956 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.