Canyon Street over Spearfish Ck
Fair Condition34 years old1,664 vehicles/day
Location
| State | South Dakota |
| County | Lawrence |
| Location | Canyon ST - Spearfish |
| Carries | Canyon Street |
| Crosses | Spearfish Ck |
| Coordinates | 44.48147, -103.85983 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Box Beam - Multiple |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 63.0 ft (19.2 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 229.7 sq m |
| Main Spans | 1 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 1,664 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000041095085 |