US 129 Sbl over NS Railroad
Bibb County, Georgia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 129 Sbl over NS Railroad in Bibb County, Georgia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1941, making it 84 years old at the 2025 inventory.
- It carries about 3,490 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 47 of the 226 inventoried bridges in Bibb County rated fair (20.8%); 0 (0.0%) 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 → (32.71976, -83.65121)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 151 ft |
| Location | 2.9 Mi S of Macon Cty Lmt |
| NBI structure number | 000000002100580 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.
Busiest bridges in Bibb County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over Coppas Branch | 1963 | 92,100 | Fair |
| I-75 over Ocmulgee River Trib | 1967 | 82,900 | Good |
| I-75 over Ocmulgee River Trib | 1967 | 82,900 | Good |
| I-75 over Cs 367 Oglethorpe St | 1967 | 78,100 | Good |
| I-75 over Town Creek | 1967 | 78,100 | Good |
| I-475 Sbl over Tobesofkee Creek | 1965 | 70,700 | Good |
All bridges nearby: Bibb County, GA bridge conditions · every bridge in Bibb County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.