US 421 over Drennon Creek
Henry County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 421 over Drennon Creek in Henry County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2006, making it 19 years old at the 2025 inventory.
- It carries about 2,332 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 20 of the 94 inventoried bridges in Henry County rated good (21.3%); 11 (11.7%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (38.36167, -85.12194)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 1.8 Mi S of Ky 22 |
| NBI structure number | 052B00080N |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Henry County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-71 over Jones Rd | 1968 | 29,817 | Fair |
| I-71 NB over Ky 1606 & Fallen Tmb Crk | 1968 | 19,833 | Fair |
| I-71 SB over Ky 1606 & Fallen Tmb Crk | 1968 | 19,833 | Fair |
| I-71 SB over CSX RR White Sulphur Fk | 1968 | 19,833 | Fair |
| I-71 NB over CSX RR White Sulphur Fk | 1968 | 19,833 | Fair |
| I-71 SB over Little Kentucky River | 1968 | 19,833 | Fair |
All bridges nearby: Henry County, KY bridge conditions · every bridge in Henry County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.