Columbia County Bridge Report Card
Columbia County scores 83 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Columbia County, Florida
Columbia County has 112 bridges in the National Bridge Inventory, with 1 rated poor and 7 rated scour-critical. Its poor-condition share of 0.9% is at or below the 2.8% statewide average. Poor-condition bridges carry about 250 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Columbia County a Bridge Condition Exposure Score of 83/100 (B). The county has 112 bridges in the National Bridge Inventory, including 1 in poor condition and 7 rated scour-critical. Poor-condition bridges carry about 250 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 | 0.9% | 1.8 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 6.2% | 12.5 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.1 |
| Traffic-data completeness | 5 | 970,943 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 | 0.9% |
| State Poor-Condition Share | 2.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 6.2% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 250 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Columbia County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| CR 6 NW Baycrk St. over Bay Creek | Poor condition + traffic exposure | Poor | 250 | 1951 |
| Us-41 (sr-25) over Rose Creek | Scour-critical foundation rating | Fair | 6,100 | 1932 |
| Us-41 (sr-25) over Clay Hole Creek | Scour-critical foundation rating | Fair | 6,100 | 1932 |
| CR 246 over Falling Creek | Scour-critical foundation rating | Fair | 300 | 1968 |
| CR 246 over Robinson Branch | Scour-critical foundation rating | Fair | 300 | 1968 |
| CR 6 over Suwannee River | Scour-critical foundation rating | Fair | 250 | 1951 |
| NE Cheshire Lane over Falling Creek | Scour-critical foundation rating | Good | 91 | 1999 |
| Brookwood Drive over Rose Creek | Scour-critical foundation rating | Fair | 71 | 1999 |
| I-75 Sr-93 over Rose Creek | High traffic | Good | 55,000 | 1962 |
| I-75 (sr-93) over Clay Hole Creek | High traffic | Fair | 55,000 | 1962 |
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.