SR 311 over Little Coldwater River
Marshall County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 311 over Little Coldwater River in Marshall County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 2,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 125 of the 255 inventoried bridges in Marshall County rated fair (49.0%); 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 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 → (34.94535, -89.51385)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 120 ft |
| Location | 0.9 Mi S US 72 |
| NBI structure number | 310031104701180 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
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.