Bridge conditions in Allen County, Kentucky
88 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 88 bridges in Allen County: 15 rated good, 68 fair, and 5 poor.
- 5 of the 88 bridges in Allen County, Kentucky, are rated in poor condition (5.7%) in the 2025 National Bridge Inventory, as of .
- 15 bridges (17.0%) are rated good and 68 (77.3%) fair.
- The median Allen County bridge was built in 1987.
- The busiest poor-rated bridge is Ky-3500 over Trammel Creek (built 1930), carrying about 602 vehicles a day.
Good 17.0% · Fair 77.3% · Poor 5.7% of 88 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 |
|---|---|---|---|
| Ky-3500 over Trammel Creek | 1930 | 602 | Poor |
| Ky-482 over Drakes Creek | 1988 | 202 | Poor |
| Petroleum Rd over Little Trammel Creek | 1975 | 164 | Poor |
| Ky-1333 over Long Hungry Creek | 1969 | 130 | Poor |
| Jefferson School R over Difficult Creek | 1979 | 128 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ky-100 over West Bays Creek | 2020 | 9,245 | Good |
| US-31E over West Bays Fk | 1985 | 7,900 | Fair |
| Ky-980 over W Bays Fork Creek | 1960 | 7,604 | Fair |
| US-31E over Trammel Fork Creek | 1986 | 5,792 | Fair |
| US-31E over Bays Fork Creek | 1985 | 5,640 | Fair |
| US-31E over Barren River Lake | 1963 | 5,516 | Fair |
| US-31E over Little Trammel Creek | 1965 | 4,720 | Fair |
| Ky-98 over EastForkofBaysForkCreek | 2012 | 2,542 | Good |
| Ky-100 over Long Hollow Branch | 1933 | 2,292 | Fair |
| Ky-100 over Middle Fork Drakes Creek | 1933 | 2,292 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Kentucky: Kentucky 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.