US 51 over Unnamed Stream
Copiah County, Mississippi · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 51 over Unnamed Stream in Copiah County, Mississippi, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 4,300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 15 of the 267 inventoried bridges in Copiah County rated poor (5.6%); 15 (5.6%) 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 → (31.91228, -90.40035)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 27 ft |
| Location | 2.7 Mi N SR 28 |
| NBI structure number | 210005101506680 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Copiah County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Henry Road | 1960 | 15,500 | Fair |
| I 55 over Henry Road | 1960 | 15,500 | Fair |
| I 55 over Gallman Road | 1963 | 13,000 | Fair |
| I 55 over Gallman Road | 1963 | 13,000 | Fair |
| I 55 over Clear Creek Road | 1963 | 13,000 | Poor |
| I 55 over Clear Creek Road | 1963 | 13,000 | Poor |
All bridges nearby: Copiah County, MS bridge conditions · every bridge in Copiah County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.