300 Street over Lost Ck
Good Condition24 years old36 vehicles/day
Location
| State | South Dakota |
| County | Tripp |
| Location | 1.5s & 0.7e Millboro |
| Carries | 300 Street |
| Crosses | Lost Ck |
| Coordinates | 43.05345, -99.95476 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 38.4 ft (11.7 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 113.5 sq m |
| Main Spans | 1 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 36 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000062147500 |