SR 12 over Ditch # 4
Washington County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 12 over Ditch # 4 in Washington 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 2005, making it 20 years old at the 2025 inventory.
- It carries about 2,200 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 110 of the 310 inventoried bridges in Washington County rated good (35.5%); 26 (8.4%) 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 → (33.18461, -90.71018)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | 1.2 M W Humphereys Cl |
| NBI structure number | 310001207602250 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 82 over Canal No 9 | 1954 | 18,000 | Fair |
| US 82 over Black Bayou | 1954 | 18,000 | Good |
| US 82 over Canal No 2 | 1954 | 17,000 | Good |
| US 82 over Deer Creek | 1975 | 15,000 | Fair |
| US 82 over Drainage Canal | 1974 | 9,300 | Fair |
| Ditch No 5 over S Colorado St | 1990 | 8,800 | Fair |
All bridges nearby: Washington County, MS bridge conditions · every bridge in Washington County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.