HWY 1416 over Trib. To Box Elder Creek
Fair Condition90 years old115 vehicles/day
Location
| State | South Dakota |
| County | Pennington |
| Location | 8.1e New Underwood |
| Carries | HWY 1416 |
| Crosses | Trib. To Box Elder Creek |
| Coordinates | 44.09617, -102.66481 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 105.0 sq m |
| Main Spans | 3 |
| Year Built | 1936 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 115 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000052692290 |