East Old State Rd over Big Branch
Allen County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- East Old State Rd over Big Branch in Allen County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2016, making it 9 years old at the 2025 inventory.
- It carries about 472 vehicles a day (traffic count year 2017).
- Its listed owner is the county highway agency.
- It is one of 68 of the 88 inventoried bridges in Allen County rated fair (77.3%); 5 (5.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated February 2023, on a 48-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (36.78556, -86.22861)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 41 ft |
| Location | 3 Mi East of Jct US 231 |
| NBI structure number | 002C00069N |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2023 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Allen 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 |
All bridges nearby: Allen County, KY bridge conditions · every bridge in Allen County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.