451st Avenue over East Vermillion Lake
Fair Condition68 years old675 vehicles/day
Location
| State | South Dakota |
| County | McCook |
| Location | 7.1s Of Montrose |
| Carries | 451st Avenue |
| Crosses | East Vermillion Lake |
| Coordinates | 43.59186, -97.18837 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 105.6 ft (32.2 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 334.9 sq m |
| Main Spans | 5 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 675 (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 | 000000044210177 |