SR 505 over Ditch
Newton County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 505 over Ditch in Newton County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 210 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 109 of the 242 inventoried bridges in Newton County rated good (45.0%); 12 (5.0%) 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 → (32.24724, -89.24413)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 5.4 Mi S US 80 |
| NBI structure number | 310050505100120 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Newton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20 over Stream | 1966 | 20,000 | Good |
| I 20 over Slough | 1966 | 20,000 | Good |
| I 20 over Stream | 1966 | 20,000 | Good |
| I 20 over Potterchitto Creek | 1966 | 20,000 | Fair |
| I 20 over Oakahatta Creek | 1961 | 12,000 | Fair |
| I 20 over Oakahatta Creek | 1961 | 12,000 | Fair |
All bridges nearby: Newton County, MS bridge conditions · every bridge in Newton County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.