Bridge conditions in St. Clair County, Alabama
183 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
St. Clair County tracks close to typical: 3 of its 183 inventoried bridges (1.6%) are rated poor, against a national rate of about 7%.
- 3 of the 183 bridges in St. Clair County, Alabama, are rated in poor condition (1.6%) in the 2025 National Bridge Inventory, as of .
- 48 bridges (26.2%) are rated good and 132 (72.1%) fair.
- The median St. Clair County bridge was built in 1961.
- The busiest poor-rated bridge is I - 59 South over Canoe Creek (built 1961), carrying about 10,585 vehicles a day.
Good 26.2% · Fair 72.1% · Poor 1.6% of 183 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I - 59 South over Canoe Creek | 1961 | 10,585 | Poor |
| I - 59 North over Canoe Creek | 1961 | 10,585 | Poor |
| Jones St over Lil Cahaba Rv | 1978 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20 over Little Cahaba River | 1961 | 65,150 | Fair |
| I - 20 over Al - 4 ( US 78) | 2005 | 53,023 | Fair |
| I20 over Head Springs | 1961 | 51,890 | Fair |
| I - 20 over Kelly Creek | 2010 | 51,890 | Good |
| I - 20 over Cook Springs Road | 2010 | 51,890 | Good |
| I - 20 over Cane Creek | 1991 | 51,010 | Fair |
| I 20 over Wolf Creek | 1961 | 46,760 | Fair |
| I 20 over Fishing Creek | 1961 | 43,320 | Fair |
| I - 20 over Norfolk Southern | 1961 | 43,320 | Fair |
| I - 20 over Pleasant Valley Drive | 1991 | 43,320 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Alabama: Alabama bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.