I029 over Br Six Mile Ck
Fair Condition56 years old9,960 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 1.8 N Us14 By-pass |
| Carries | I029 |
| Crosses | Br Six Mile Ck |
| Coordinates | 44.35276, -96.75775 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 9 (Excellent) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 23.6 ft (7.2 m) |
| Max Span | 11.5 ft (3.5 m) |
| Deck Area | 167.0 sq m |
| Main Spans | 2 |
| Year Built | 1970 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 9,960 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006185132 |