I-75 over M-9109 Mt Zion Road
Good Condition57 years old149,000 vehicles/day
Location
| State | Georgia |
| County | Clayton |
| Location | 1.75 Mi N Of Henry Co Lin |
| Carries | I-75 |
| Crosses | M-9109 Mt Zion Road |
| Coordinates | 33.55956, -84.31113 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 440.9 ft (134.4 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 131.6 ft (40.1 m) |
| Deck Area | 5389.4 sq m |
| Main Spans | 7 |
| Year Built | 1969 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 149,000 (2024) |
| Truck Traffic | 1% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006300310 |