Iron Bridge Rd over Barren River
Warren County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Iron Bridge Rd over Barren River in Warren County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 331 vehicles a day (traffic count year 2006).
- Its listed owner is the county highway agency.
- It is one of 82 of the 106 inventoried bridges in Warren County rated fair (77.4%); 4 (3.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated February 2024, on a 24-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 → (36.94194, -86.25528)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 259 ft |
| Location | 1.1 Mi S of Jct Ky 1402 |
| NBI structure number | 114C00004N |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 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 Warren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Ky 1402 | 2003 | 68,824 | Fair |
| I-65 over Barren River | 2002 | 68,824 | Fair |
| I-65 over Ky 446 | 2002 | 66,508 | Fair |
| I-65 over US 68 | 2002 | 57,096 | Fair |
| I-65-10 Nc over Carl Jordan Road | 2002 | 32,054 | Fair |
| I-65 over Carl Jordan Road | 2002 | 32,054 | Fair |
All bridges nearby: Warren County, KY bridge conditions · every bridge in Warren County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.