IRR County Road over Flint Rock Ck
Fair Condition81 years old16 vehicles/day
Location
| State | South Dakota |
| County | Ziebach |
| Location | 5.5 N & 8.5 W Red El |
| Carries | IRR County Road |
| Crosses | Flint Rock Ck |
| Coordinates | 45.13432, -101.95638 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 136.2 ft (41.5 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 278.1 sq m |
| Main Spans | 5 |
| Year Built | 1945 |
Traffic
| Avg Daily Traffic | 16 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000069030234 |