SR 555 over Zurhallen Bayou
Adams County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 555 over Zurhallen Bayou in Adams County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1998, making it 27 years old at the 2025 inventory.
- It carries about 12,000 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 52 of the 99 inventoried bridges in Adams County rated fair (52.5%); 9 (9.1%) 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 → (31.56377, -91.36936)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | 0.3 Mi N US 61 |
| NBI structure number | 310055500100030 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Adams County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 over Liberty Road | 2007 | 24,000 | Fair |
| US 61 over US 61/DEVEREUX Rd. | 2013 | 23,000 | Good |
| US 61 over St Catherine Creek | 1955 | 15,000 | Fair |
| US 61 over St Catherine Creek | 1933 | 15,000 | Fair |
| US 61 over Cnic RR | 1947 | 12,000 | Good |
| US 61 over Cnic RR | 1963 | 12,000 | Good |
All bridges nearby: Adams County, MS bridge conditions · every bridge in Adams County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.