I 55 over SR 4
Tate County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 55 over SR 4 in Tate County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1959 and reconstructed in 2020, making it 66 years old at the 2025 inventory.
- It carries about 13,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 49 of the 138 inventoried bridges in Tate County rated good (35.5%); 1 (0.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: substructure 8 to 7.
- Its most recent inspection on record is dated March 2024, 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 → (34.61954, -89.9512)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete single box beam |
| Length | about 222 ft |
| Location | I 55 over SR 4 |
| NBI structure number | 11000550692655A |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Tate County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Coldwater River | 1959 | 19,000 | Fair |
| I 55 over Coldwater River | 1959 | 19,000 | Fair |
| I 55 over Hickahala Creek | 2022 | 15,000 | Good |
| I 55 over Hickahala Creek | 2022 | 15,000 | Good |
| I 55 over Hickahala Relief | 2022 | 15,000 | Good |
| I 55 over Hickahala Relief | 2022 | 15,000 | Good |
All bridges nearby: Tate County, MS bridge conditions · every bridge in Tate County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.