397th Avenue over Firesteel Ck
Fair Condition60 years old495 vehicles/day
Location
| State | South Dakota |
| County | Davison |
| Location | 3.8n Mt. Vernon |
| Carries | 397th Avenue |
| Crosses | Firesteel Ck |
| Coordinates | 43.77427, -98.26574 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 92.8 ft (28.3 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 277.3 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 495 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000018030052 |