Marshall County Bridge Report Card
Marshall County scores 79 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Marshall County, Alabama
Marshall County has 170 bridges in the National Bridge Inventory, with 15 rated poor and 0 rated scour-critical. Its poor-condition share of 8.8% is above the 3.4% statewide average. Poor-condition bridges carry about 3,357 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Marshall County a Bridge Condition Exposure Score of 79/100 (C). The county has 170 bridges in the National Bridge Inventory, including 15 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 3,357 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 | 8.8% | 17.6 |
| Poor-condition traffic exposure | 25 | 0.8% of measured traffic | 0.6 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.1 |
| Traffic-data completeness | 5 | 440,395 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 | 8.8% |
| State Poor-Condition Share | 3.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 3,357 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Marshall County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| County HWY 1131 over Slab Creek | Poor condition + traffic exposure | Poor | 850 | 1958 |
| Cochran Ave. over Turkey Creek | Poor condition + traffic exposure | Poor | 700 | 1974 |
| George Wallace DR over Drum Creek | Poor condition + traffic exposure | Poor | 600 | 1997 |
| County HWY 1415 over Berry Branch | Poor condition + traffic exposure | Poor | 280 | 1951 |
| County Highway115 over Slab Creek | Poor condition + traffic exposure | Poor | 200 | 1960 |
| Co RD 1214 over Brock Branch | Poor condition + traffic exposure | Poor | 115 | 1958 |
| County HWY 1140 over Creek | Poor condition + traffic exposure | Poor | 100 | 1925 |
| Bethsaida RD over Horseshoe Creek | Poor condition + traffic exposure | Poor | 100 | 1965 |
| Wolf Creek Rd. over Wolf Creek | Poor condition + traffic exposure | Poor | 100 | 1985 |
| County Road 1222 over Peachtree Creek | Poor condition + traffic exposure | Poor | 100 | 1990 |
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.