Sd036 over Grace Coolidge Ck
Good Condition34 years old955 vehicles/day
Location
| State | South Dakota |
| County | Custer |
| Location | 1.8 W Jct Sd 79 |
| Carries | Sd036 |
| Crosses | Grace Coolidge Ck |
| Coordinates | 43.81699, -103.22810 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 132.5 ft (40.4 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 476.7 sq m |
| Main Spans | 4 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 955 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000017417035 |