Old Highway 11 over Mixon Creek
Lamar County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old Highway 11 over Mixon Creek in Lamar County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 2,600 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 25 of the 151 inventoried bridges in Lamar County rated fair (16.6%); 0 (0.0%) 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 March 2023, 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 → (31.20937, -89.41354)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 200 ft |
| Location | Sec 21 T 3N R14W B |
| NBI structure number | SA3700000000055 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Lamar County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 98 Hardy St over I 59 | 1992 | 64,000 | Good |
| US 98 over Stream | 1941 | 53,000 | Good |
| I 59 over Mixons Creek | 1960 | 49,000 | Good |
| US 98 over Stream | 1941 | 32,000 | Good |
| US 98 over Stream | 1977 | 25,000 | Good |
| I 59 over Little Beaver Creek | 1961 | 19,000 | Good |
All bridges nearby: Lamar County, MS bridge conditions · every bridge in Lamar County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.