I 55 over SR 304
DeSoto County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 55 over SR 304 in DeSoto 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 1959, making it 66 years old at the 2025 inventory.
- It carries about 19,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 108 of the 266 inventoried bridges in DeSoto County rated fair (40.6%); 6 (2.3%) 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 → (34.82368, -89.97596)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete single box beam |
| Length | about 162 ft |
| Location | I 55 over SR 304 |
| NBI structure number | 11000550172801B |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in DeSoto County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Rocky Creek | 1958 | 89,000 | Fair |
| I 55 over State Line Road | 2007 | 76,000 | Good |
| I 55 over Rascoe Road | 2007 | 44,500 | Good |
| I 55 over Rascoe Road | 2007 | 44,500 | Good |
| Airways Blvd over Rocky Creek | 1983 | 40,000 | Fair |
| SR 302 over Stream | 1994 | 38,000 | Good |
All bridges nearby: DeSoto County, MS bridge conditions · every bridge in DeSoto County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.