Bibb County Bridge Report Card
Bibb County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Bibb County, Alabama
Bibb County has 127 bridges in the National Bridge Inventory, with 1 rated poor and 3 rated scour-critical. Its poor-condition share of 0.8% is at or below the 3.4% statewide average. Poor-condition bridges carry about 50 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Bibb County a Bridge Condition Exposure Score of 89/100 (B). The county has 127 bridges in the National Bridge Inventory, including 1 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 50 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 | 0.8% | 1.6 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 2.4% | 4.7 |
| Average age vs national baseline | 10 | 59 years vs 48 nationally | 4.6 |
| Traffic-data completeness | 5 | 219,909 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 | 0.8% |
| State Poor-Condition Share | 3.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.4% |
| Average Bridge Age | 59 years |
| Poor-Condition Traffic Exposure | 50 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Bibb County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 726 over Ragland Branch | Poor condition + traffic exposure | Poor | 50 | 1965 |
| Al 139 over Six Mile Creek | Scour-critical foundation rating | Fair | 1,420 | 1958 |
| F.a.s.15 over Hill Creek | Scour-critical foundation rating | Fair | 665 | 1955 |
| Fas 16 over Schultz Creek | Scour-critical foundation rating | Fair | 120 | 1985 |
| Al 5 over Ns Rr Active | High traffic | Fair | 7,797 | 1957 |
| Al 5 over Johnsons Brook | High traffic | Fair | 7,505 | 1957 |
| US 82 over Al 5 (+) | High traffic | Good | 6,538 | 1997 |
| US 82 over Hubbard Springs Branch | High traffic | Fair | 6,350 | 1929 |
| US 82 over Mooney Creek | High traffic | Fair | 6,350 | 1929 |
| US 82 over Cahaba River (-) | High traffic | Good | 6,109 | 1997 |
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.