US 49 over Big Swamp Creek
Covington County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 49 over Big Swamp Creek in Covington County, Mississippi, 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 1936, making it 89 years old at the 2025 inventory.
- It carries about 10,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 129 of the 163 inventoried bridges in Covington County rated good (79.1%); 4 (2.5%) 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 → (31.56116, -89.51137)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 89 ft |
| Location | 0.2 Mi S SR 590 |
| NBI structure number | 21000490160901A |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Covington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 49 over Unnamed Stream | 1965 | 22,000 | Good |
| US 49 over Unnamed Stream | 1965 | 22,000 | Good |
| US 49 over Unnamed Stream | 1964 | 22,000 | Fair |
| US 49 over Unnamed Stream | 1964 | 22,000 | Good |
| US 49 over Kelly Creek | 1964 | 12,500 | Good |
| US 49 over Burton Creek | 2001 | 11,500 | Good |
All bridges nearby: Covington County, MS bridge conditions · every bridge in Covington County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.