Ponderosa Road over Four Mile Bayou
Quitman County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ponderosa Road over Four Mile Bayou in Quitman 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 2014, making it 11 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 58 of the 105 inventoried bridges in Quitman County rated good (55.2%); 6 (5.7%) 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 April 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 → (34.17469, -90.31208)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 30 ft |
| Location | Sec 32 T27N R 1W |
| NBI structure number | SA600000000A073 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Quitman County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 278/SR 6 over Ashlog Bayou | 2017 | 5,300 | Good |
| US 278/SR 6 over Bobo Bayou | 2017 | 5,300 | Good |
| US 278 over Relief Opening | 1940 | 5,300 | Fair |
| US 278/SR 6 over Onemile Bayou | 2017 | 4,500 | Good |
| US 278/SR 6 over Quitman-panola Ditch | 2017 | 4,500 | Good |
| US 278 over Canal | 1940 | 4,500 | Fair |
All bridges nearby: Quitman County, MS bridge conditions · every bridge in Quitman County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.