SR 311 over Dawson Creek
Marshall County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 311 over Dawson Creek in Marshall County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1962, making it 63 years old at the 2025 inventory.
- It carries about 1,600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 111 of the 255 inventoried bridges in Marshall County rated good (43.5%); 19 (7.5%) 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 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.84804, -89.48991)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 29 ft |
| Location | 4.8 Mi N SR 7 |
| NBI structure number | 310031104700480 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Marshall County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 22 over Byhalia Creek Trib | 1980 | 38,000 | Good |
| I 22 over Stream | 1975 | 31,000 | Good |
| I 22 over Stream | 1975 | 31,000 | Fair |
| I 22 over Stream | 1975 | 30,000 | Fair |
| I 22 over Stream | 1975 | 30,000 | Fair |
| I 22 over E.j. Vincent Road | 1982 | 19,000 | Fair |
All bridges nearby: Marshall County, MS bridge conditions · every bridge in Marshall County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.