Nfa 1789 (sa 4207) over Leatherwood Creek
Houston County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 1789 (sa 4207) over Leatherwood Creek in Houston County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 64 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 54 of the 118 inventoried bridges in Houston County rated good (45.8%); 4 (3.4%) 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 January 2024, on a 24-month routine inspection cycle.
- 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 → (36.31693, -87.54155)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 51 ft |
| Location | 8 M E of Erin |
| NBI structure number | 42S63780003 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Houston County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 149 over Wells Creek | 1980 | 6,407 | Good |
| Fap 149 over Wells Creek | 1992 | 6,407 | Fair |
| Fap 149 over Wells Creek | 1992 | 6,407 | Fair |
| Fap 149 over Spring Branch | 1992 | 6,407 | Good |
| Fap 149 over Cave Branch | 1992 | 6,407 | Fair |
| Fap 149 over Lickskillet Branch | 1992 | 6,407 | Good |
All bridges nearby: Houston County, TN bridge conditions · every bridge in Houston County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.