Manatee County Bridge Report Card
Manatee County scores 88 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Manatee County, Florida
Manatee County has 255 bridges in the National Bridge Inventory, with 1 rated poor and 14 rated scour-critical. Its poor-condition share of 0.4% is at or below the 2.8% statewide average. Poor-condition bridges carry about 3,084 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Manatee County a Bridge Condition Exposure Score of 88/100 (B). The county has 255 bridges in the National Bridge Inventory, including 1 in poor condition and 14 rated scour-critical. Poor-condition bridges carry about 3,084 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 | 0.4% | 0.8 |
| Poor-condition traffic exposure | 25 | 0.1% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 5.5% | 11.0 |
| Average age vs national baseline | 10 | 42 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 4,506,889 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 | 0.4% |
| State Poor-Condition Share | 2.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.5% |
| Average Bridge Age | 42 years |
| Poor-Condition Traffic Exposure | 3,084 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Manatee County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 9th Street West over Cedar Hammock Canal | Poor condition + traffic exposure | Poor | 3,084 | 1960 |
| Sr-64 over Braden River East Branch | Scour-critical foundation rating | Good | 49,500 | 1988 |
| Bus Us-41 (sr-45) over Manatee River | Scour-critical foundation rating | Fair | 41,000 | 1986 |
| 63rd AVE E over Bowlees Creek | Scour-critical foundation rating | Good | 19,100 | 1989 |
| 43rd Street West over Cedar Hammock Canal | Scour-critical foundation rating | Good | 9,700 | 1960 |
| Kay Road over Cypress Strand | Scour-critical foundation rating | Fair | 7,600 | 1985 |
| 21st Avenue West over Wares Creek | Scour-critical foundation rating | Fair | 6,000 | 1963 |
| Cr683/e Gilletterd over Buffalo Canal | Scour-critical foundation rating | Good | 3,078 | 1984 |
| Cr-675 over Gamble Creek | Scour-critical foundation rating | Fair | 2,300 | 1950 |
| Cr-675 over Gilley Creek | Scour-critical foundation rating | Fair | 2,300 | 1971 |
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.