I 55 over SR 12
Holmes County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 55 over SR 12 in Holmes 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 1971, making it 54 years old at the 2025 inventory.
- It carries about 7,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 86 of the 215 inventoried bridges in Holmes County rated fair (40.0%); 19 (8.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2024, on a 24-month routine inspection cycle.
- 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 → (33.09697, -89.89491)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 625 ft |
| Location | I 55 over SR 12 |
| NBI structure number | 11000550261550B |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Holmes County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Relief | 1970 | 18,000 | Fair |
| I 55 over Tacketts Creek | 1971 | 18,000 | Fair |
| I 55 over Ditch | 1971 | 17,000 | Fair |
| I 55 over Canal | 1971 | 16,000 | Fair |
| I 55 over Ditch | 1970 | 15,000 | Fair |
| I 55 over Ditch | 1970 | 15,000 | Fair |
All bridges nearby: Holmes County, MS bridge conditions · every bridge in Holmes County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.