Nfa B623 over Branch
Montgomery County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa B623 over Branch in Montgomery 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 2015, making it 10 years old at the 2025 inventory.
- It carries about 750 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 73 of the 186 inventoried bridges in Montgomery County rated good (39.2%); 9 (4.8%) 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 → (36.50635, -87.36432)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 22 ft |
| Location | 0.3 M From. SR 12 |
| NBI structure number | 630B6230001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Montgomery County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I24 over Red River | 1972 | 88,998 | Fair |
| I24 over Red River | 1972 | 88,998 | Fair |
| I24 over I24 Rl / SR 76 | 1972 | 88,998 | Fair |
| I24 over I24 Ll / SR 76 | 1972 | 88,998 | Fair |
| I24 over Spring Creek | 1970 | 73,806 | Good |
| I24 over Spring Creek | 1970 | 73,806 | Good |
All bridges nearby: Montgomery County, TN bridge conditions · every bridge in Montgomery County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.