Ky-100 over Sulphur Fork Creek
Simpson County, Kentucky · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-100 over Sulphur Fork Creek in Simpson County, Kentucky, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1930 and reconstructed in 1999, making it 95 years old at the 2025 inventory.
- It carries about 2,537 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 3 of the 51 inventoried bridges in Simpson County rated poor (5.9%); 3 (5.9%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (36.70306, -86.41333)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 129 ft |
| Location | on Allen - Simpson Cl |
| NBI structure number | 107B00004N |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Simpson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 over Ky 100 | 2008 | 56,578 | Fair |
| I-65 over West Fork Drakes Creek | 2007 | 56,578 | Fair |
| I-65 over U.S. 31W | 2007 | 52,337 | Fair |
| I-65 over CSX Railroad | 2007 | 52,337 | Fair |
| I-65 over West Fork Drakes Creek | 2007 | 52,337 | Fair |
| US 31W over Sharps Branch | 2017 | 12,198 | Good |
All bridges nearby: Simpson County, KY bridge conditions · every bridge in Simpson County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.