I-520 over Unsanitary Trib
Richmond County, Georgia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-520 over Unsanitary Trib in Richmond County, Georgia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1981 and reconstructed in 2003, making it 44 years old at the 2025 inventory.
- It carries about 29,700 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 16 of the 183 inventoried bridges in Richmond County rated fair (8.7%); 3 (1.6%) 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 October 2023, on a 24-month routine inspection cycle.
- 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 → (33.40233, -82.00048)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 41 ft |
| Location | 8.1 Mi NE of Hephzibah |
| NBI structure number | 000000024500670 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Georgia department of transportation.
Busiest bridges in Richmond County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-520 over Raes Creek | 1965 | 95,100 | Good |
| I-520 over CR1501 Wrightsboro Rd | 1973 | 95,100 | Good |
| I-520 (wbl) over CSX Railroad | 1998 | 92,500 | Good |
| I-520 (wbl) over Laney Walker Blvd. | 2004 | 92,500 | Good |
| I-520 over CSX Railroad (279466S) | 1973 | 91,200 | Good |
| I-520 (wbl) over Merry Bros. (private) | 1998 | 91,000 | Good |
All bridges nearby: Richmond County, GA bridge conditions · every bridge in Richmond County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.