I 59 over Relief
Clarke County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 59 over Relief in Clarke 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 1965, making it 60 years old at the 2025 inventory.
- It carries about 6,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 100 of the 222 inventoried bridges in Clarke County rated fair (45.0%); 14 (6.3%) 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 → (32.09831, -88.8915)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 220 ft |
| Location | 2.9 Mi N SR 18 |
| NBI structure number | 11000590121283B |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Clarke County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 59 over Allen Branch | 1965 | 14,000 | Fair |
| I 59 over Stream | 1965 | 13,000 | Fair |
| US 45 over Stream | 1999 | 8,000 | Good |
| I 59 over SR 18 | 1965 | 7,000 | Good |
| I 59 over SR 18 | 1965 | 7,000 | Good |
| I 59 over Stream | 1965 | 7,000 | Good |
All bridges nearby: Clarke County, MS bridge conditions · every bridge in Clarke County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.