172nd ST over Okobojo Ck
Fair Condition114 years old25 vehicles/day
Location
| State | South Dakota |
| County | Sully |
| Location | 4n & 2.9w Agar |
| Carries | 172nd ST |
| Crosses | Okobojo Ck |
| Coordinates | 44.89778, -100.13981 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.5 ft (9.3 m) |
| Max Span | 28.5 ft (8.7 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 67.9 sq m |
| Main Spans | 1 |
| Year Built | 1912 (reconstructed 1967) |
Traffic
| Avg Daily Traffic | 25 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000060281000 |