20th ST S over I029
Good Condition4 years old2,500 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 2 S US 14 Intch |
| Carries | 20th ST S |
| Crosses | I029 |
| Coordinates | 44.28186, -96.75783 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 260.2 ft (79.3 m) |
| Max Span | 134.8 ft (41.1 m) |
| Deck Width | 57.7 ft (17.6 m) |
| Deck Area | 1395.7 sq m |
| Main Spans | 2 |
| Year Built | 2022 |
Traffic
| Avg Daily Traffic | 2,500 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006185180 |