378th Avenue over Richmond Lake
Good Condition7 years old98 vehicles/day
Location
| State | South Dakota |
| County | Brown |
| Location | 5.6n & 7.2w Of Aberdeen |
| Carries | 378th Avenue |
| Crosses | Richmond Lake |
| Coordinates | 45.54126, -98.63951 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 184.8 sq m |
| Main Spans | 1 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 98 (2022) |
| Truck Traffic | 2% |
| 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 | 000000007040275 |