Sr390 over Mill Bayou
Poor Condition71 years old9,100 vehicles/day
Location
| State | Florida |
| County | Bay |
| Location | 1.2 Miles West Of Us231 |
| Carries | Sr390 |
| Crosses | Mill Bayou |
| Coordinates | 30.23325, -85.59859 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 406.7 sq m |
| Main Spans | 6 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 9,100 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 460020 |