Co Rd 550 over Mill Bayou
Leflore County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Co Rd 550 over Mill Bayou in Leflore 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 1955, making it 70 years old at the 2025 inventory.
- It carries about 140 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 71 of the 136 inventoried bridges in Leflore County rated fair (52.2%); 8 (5.9%) 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 → (33.76667, -90.236)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 170 ft |
| Location | Sec 18 T22N R 1E B |
| NBI structure number | SA4200000000095 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Leflore County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 82 over Yazoo River | 1954 | 21,000 | Fair |
| US 82 over Cnic Rr/city Street | 1962 | 20,000 | Fair |
| US 82 over US 49E | 1962 | 20,000 | Fair |
| Poplar Street over Yazoo River | 1964 | 8,600 | Fair |
| Co Rd 518 over Tallahatchie River | 1954 | 8,500 | Fair |
| Grand Blvd 9504 over Yazoo River | 1925 | 8,500 | Poor |
All bridges nearby: Leflore County, MS bridge conditions · every bridge in Leflore County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.