Bird-crossing Road over Swilley Branch
Lawrence County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Bird-crossing Road over Swilley Branch in Lawrence County, Mississippi, 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 1975, making it 50 years old at the 2025 inventory.
- It carries about 460 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 104 of the 133 inventoried bridges in Lawrence County rated good (78.2%); 0 (0.0%) 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 September 2023, 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 → (31.71366, -90.2171)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | Sec 32 T 9N R10E B |
| NBI structure number | SA3900000000094 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Lawrence County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 84 over Relief | 2007 | 5,500 | Good |
| SR 27 over Unnamed Stream | 1963 | 3,500 | Good |
| SR 27 over Fair River | 1959 | 3,300 | Fair |
| SR 27 over Bear Creek | 1959 | 3,300 | Fair |
| SR 184 over Town Branch | 1937 | 2,800 | Good |
| SR 184 over Pearl River Relief | 1937 | 2,800 | Fair |
All bridges nearby: Lawrence County, MS bridge conditions · every bridge in Lawrence County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.