Riverdale Rd. over Martin Creek
Grenada County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Riverdale Rd. over Martin Creek in Grenada County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 240 vehicles a day (traffic count year 2014).
- Its listed owner is the county highway agency.
- It is one of 80 of the 163 inventoried bridges in Grenada County rated good (49.1%); 3 (1.8%) are rated poor.
- 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 → (33.82572, -89.83601)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 87 ft |
| Location | Sec 25 T23N R 4E B |
| NBI structure number | SA2200000000058 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Grenada County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 55 over Martins Creek | 1965 | 19,000 | Good |
| US 51 over Brown Creek | 1973 | 17,000 | Good |
| I 55 over Perry Creek | 1965 | 15,000 | Fair |
| I 55 over Stream | 1965 | 15,000 | Fair |
| SR 8 over Cnic RR Frontage Road | 1986 | 13,000 | Fair |
| SR 8 over Browns Creek | 1939 | 13,000 | Good |
All bridges nearby: Grenada County, MS bridge conditions · every bridge in Grenada County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.