120th Street over Elm River
Fair Condition52 years old98 vehicles/day
Location
| State | South Dakota |
| County | Brown |
| Location | 0.4e Of Westport |
| Carries | 120th Street |
| Crosses | Elm River |
| Coordinates | 45.64784, -98.49011 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 80.1 ft (24.4 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 229.4 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
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 | 000000007114200 |