SH 21 over Mores Cr;lucky Peak Res.
Fair Condition73 years old3,500 vehicles/day
Location
| State | Idaho |
| County | Ada |
| Location | 17 N. Boise |
| Carries | SH 21 |
| Crosses | Mores Cr;lucky Peak Res. |
| Coordinates | 43.59142, -115.99878 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Deck |
| Total Length | 848.1 ft (258.5 m) |
| Max Span | 431.8 ft (131.6 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 2507.4 sq m |
| Main Spans | 2 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 3,500 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000012815 |