I-475 Nbl over I-75 Sbl & Hart
Bibb County, Georgia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-475 Nbl over I-75 Sbl & Hart in Bibb County, Georgia, 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 2009, making it 16 years old at the 2025 inventory.
- It carries about 26,000 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 179 of the 226 inventoried bridges in Bibb County rated good (79.2%); 0 (0.0%) 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 January 2024, 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 → (32.75779, -83.70928)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 464 ft |
| Location | 2 Mi. S of Macon City Lim |
| NBI structure number | 000000002150630 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
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.