SR 404 over I 55
Carroll County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 404 over I 55 in Carroll County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 93 of the 224 inventoried bridges in Carroll County rated fair (41.5%); 47 (21.0%) 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 → (33.63527, -89.79429)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete single box beam |
| Length | about 277 ft |
| Location | SR 404 over I 55 |
| NBI structure number | 310040400800010 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Carroll County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Stream | 1971 | 16,000 | Good |
| I 55 over Stream | 1963 | 15,000 | Fair |
| I 55 over Sykes Creek | 1963 | 15,000 | Fair |
| I 55 over Stream | 1971 | 8,000 | Good |
| I 55 over Stream | 1971 | 8,000 | Good |
| I 55 over Slough | 1971 | 8,000 | Fair |
All bridges nearby: Carroll County, MS bridge conditions · every bridge in Carroll County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.