Silo Road over Drainage Canal
Panola County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Silo Road over Drainage Canal in Panola 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 1977, making it 48 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 157 of the 231 inventoried bridges in Panola County rated fair (68.0%); 11 (4.8%) 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 → (34.42306, -90.15386)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 46 ft |
| Location | Sec_ 4_T 8S_R 9W |
| NBI structure number | SA5400000000090 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Panola County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 278 over Sand Creek | 1939 | 19,000 | Fair |
| US 278 over Harris Creek | 1979 | 17,000 | Fair |
| I 55 over SR 310 | 1959 | 13,500 | Good |
| I 55 over SR 310 | 1959 | 13,500 | Good |
| I 55 over Compress Road | 1959 | 13,500 | Good |
| I 55 over Compress Road | 1959 | 13,500 | Good |
All bridges nearby: Panola County, MS bridge conditions · every bridge in Panola County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.