SR 311 over Stream
Marshall County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 311 over Stream 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 6 (satisfactory 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 125 of the 255 inventoried bridges in Marshall County rated fair (49.0%); 19 (7.5%) 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 → (34.87995, -89.49685)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 100 ft |
| Location | 5.6 Mi S US 72 |
| NBI structure number | 310031104700710 |
| Condition class | Fair |
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.