Nfa A766 over Overflow
Dyer County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A766 over Overflow in Dyer County, Tennessee, 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 1988, making it 37 years old at the 2025 inventory.
- It carries about 480 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 69 of the 232 inventoried bridges in Dyer County rated good (29.7%); 19 (8.2%) 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 → (36.03807, -89.2032)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 22 ft |
| Location | 0.4 Mi N of SR104 |
| NBI structure number | 23E00230001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Dyer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 3 over Branch | 1979 | 14,573 | Fair |
| Fap 3 over Light Creek | 1979 | 14,573 | Fair |
| I155 over Lewis Creek | 1979 | 14,405 | Fair |
| I155 over Drainage Ditch | 1979 | 14,405 | Good |
| I155 over Drainage Ditch | 1979 | 14,405 | Good |
| Fap 3 over SR 3 / I155 | 1979 | 14,291 | Fair |
All bridges nearby: Dyer County, TN bridge conditions · every bridge in Dyer County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.