US 78 over Chattahoochee River
Good Condition92 years old26,200 vehicles/day
Location
| State | Georgia |
| County | Cobb |
| Location | 6.1 Mi S Of Smyrna |
| Carries | US 78 |
| Crosses | Chattahoochee River |
| Coordinates | 33.79544, -84.50767 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 540.0 ft (164.6 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 69.9 ft (21.3 m) |
| Deck Area | 3506.0 sq m |
| Main Spans | 9 |
| Year Built | 1934 (reconstructed 1985) |
Traffic
| Avg Daily Traffic | 26,200 (2024) |
| Truck Traffic | 1% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006700340 |