Seminole County Bridge Report Card
Seminole County scores 98 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Seminole County, Florida
Seminole County has 178 bridges in the National Bridge Inventory, with 0 rated poor and 2 rated scour-critical. Its poor-condition share of 0.0% is at or below the 2.8% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Seminole County a Bridge Condition Exposure Score of 98/100 (A). The county has 178 bridges in the National Bridge Inventory, including 0 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 0 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 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 1.1% | 2.2 |
| Average age vs national baseline | 10 | 26 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 3,855,142 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 | 0.0% |
| State Poor-Condition Share | 2.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.1% |
| Average Bridge Age | 26 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Seminole County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Winter Springs Blv over Bear Creek | Scour-critical foundation rating | Good | 8,100 | 1987 |
| Northern Way over Howell Creek | Scour-critical foundation rating | Good | 2,670 | 1981 |
| I-4 WB over SR 429 | High traffic | Good | 385,000 | 2023 |
| I-4 EB Ramp M1 over SR 429 | High traffic | Good | 148,500 | 2016 |
| I-4 over Outfall Ditch | High traffic | Good | 138,000 | 1959 |
| I-4 over Sr-434 | High traffic | Good | 125,000 | 2019 |
| I-4 WB over Orange BLVD & Csxrr | High traffic | Good | 69,000 | 2003 |
| I-4 EB over Orange Blvd.& Csx Rr. | High traffic | Good | 69,000 | 2003 |
| Sr-436(semoran Bl) over I-4 | High traffic | Good | 58,000 | 2019 |
| Sr-414 over Lake Bosse | High traffic | Good | 54,000 | 2000 |
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.