Us014a over Boulder Ck
Good Condition27 years old6,397 vehicles/day
Location
| State | South Dakota |
| County | Lawrence |
| Location | 3.2 NE Jct 85/14a |
| Carries | Us014a |
| Crosses | Boulder Ck |
| Coordinates | 44.39168, -103.65330 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 9 (Excellent) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 29.2 ft (8.9 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 152.2 sq m |
| Main Spans | 2 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 6,397 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000041198147 |