County Road 478 over Hell Creek Canal
Union County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 478 over Hell Creek Canal in Union County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 550 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 106 of the 203 inventoried bridges in Union County rated fair (52.2%); 3 (1.5%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (34.54153, -89.04826)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 160 ft |
| Location | Sec 24 T 6S R 2E |
| NBI structure number | SA7300000000163 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Union County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 22 over Sand Creek | 1979 | 29,000 | Good |
| I 22 over Okannattie Creek W B | 1979 | 29,000 | Good |
| I 22 over Okannattie Creek Relief | 1979 | 29,000 | Good |
| I 22 over Okannattie Creek Relief | 1979 | 29,000 | Good |
| I 22 over Tallahatchie River | 1965 | 28,000 | Fair |
| I 22 over Creek | 1976 | 28,000 | Fair |
All bridges nearby: Union County, MS bridge conditions · every bridge in Union County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.