Hamilton County Bridge Report Card
Hamilton County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Hamilton County, Florida
Hamilton County has 61 bridges in the National Bridge Inventory, with 1 rated poor and 5 rated scour-critical. Its poor-condition share of 1.6% is at or below the 2.8% statewide average. Poor-condition bridges carry about 101 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Hamilton County a Bridge Condition Exposure Score of 77/100 (C). The county has 61 bridges in the National Bridge Inventory, including 1 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 101 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 | 1.6% | 3.3 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 8.2% | 16.4 |
| Average age vs national baseline | 10 | 57 years vs 48 nationally | 3.6 |
| Traffic-data completeness | 5 | 345,286 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 | 1.6% |
| State Poor-Condition Share | 2.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 8.2% |
| Average Bridge Age | 57 years |
| Poor-Condition Traffic Exposure | 101 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Hamilton County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SE 78th Place over Swift Creek | Poor condition + traffic exposure | Poor | 101 | 1988 |
| Us-129 (sr-51) over Suwannee River | Scour-critical foundation rating | Good | 5,800 | 1971 |
| Us-41 (sr-6 & 25) over Alapaha River Overflow | Scour-critical foundation rating | Fair | 4,200 | 1922 |
| Us-41(sr-25 & 100) over Swift Creek | Scour-critical foundation rating | Fair | 1,600 | 1927 |
| CR 751 over Alapaha River | Scour-critical foundation rating | Good | 1,200 | 1986 |
| NW 86th Blvd. over Alligator Creek | Scour-critical foundation rating | Fair | 41 | 1963 |
| I-75 (sr-93) over Tiger Creek | High traffic | Fair | 40,000 | 1961 |
| I-75 (sr-93) over Dry Creek | High traffic | Fair | 40,000 | 1961 |
| I-75 (sr-93) over Camp Branch Creek | High traffic | Good | 40,000 | 1962 |
| I-75 SB (sr-93) over Sr-6 | High traffic | Fair | 21,500 | 1961 |
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.