Gibson County Bridge Report Card
Gibson County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Gibson County, Tennessee
Gibson County has 386 bridges in the National Bridge Inventory, with 17 rated poor and 20 rated scour-critical. Its poor-condition share of 4.4% is above the 4.4% statewide average. Poor-condition bridges carry about 11,682 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Gibson County a Bridge Condition Exposure Score of 80/100 (B). The county has 386 bridges in the National Bridge Inventory, including 17 in poor condition and 20 rated scour-critical. Poor-condition bridges carry about 11,682 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 | 4.4% | 8.8 |
| Poor-condition traffic exposure | 25 | 1.6% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 5.2% | 10.4 |
| Average age vs national baseline | 10 | 38 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 727,550 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 | 4.4% |
| State Poor-Condition Share | 4.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.2% |
| Average Bridge Age | 38 years |
| Poor-Condition Traffic Exposure | 11,682 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Gibson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Nfa A497 over Adams Branch | Poor condition + traffic exposure | Poor | 100 | 1995 |
| Nfa 1585 over Overflow | Poor condition + traffic exposure | Poor | 93 | 1971 |
| Nfa 2483 over Rogers Branch | Poor condition + traffic exposure | Poor | 3,076 | 1929 |
| Nfa 2483 over Branch | Poor condition + traffic exposure | Poor | 3,076 | 1929 |
| Fas 54 over Davis Creek | Poor condition + traffic exposure | Poor | 2,640 | 1992 |
| Fap 104 over Branch | Poor condition + traffic exposure | Poor | 1,678 | 1978 |
| Nfa 2488 over Branch | Poor condition + traffic exposure | Poor | 229 | 1978 |
| Nfa A323 (sa 2726) over Branch Of Thompson Creek | Poor condition + traffic exposure | Poor | 210 | 1970 |
| Nfa A978 over Branch | Poor condition + traffic exposure | Poor | 130 | 1989 |
| Nfa A044 over Overflow-cow Creek | Poor condition + traffic exposure | Poor | 100 | 1972 |
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.