SR 21 over Roosevelt Lake
Good Condition44 years old131 vehicles/day
Location
| State | Washington |
| County | Ferry |
| Location | 14.9 N Jct SR 174 |
| Carries | SR 21 |
| Crosses | Roosevelt Lake |
| Coordinates | 47.94689, -118.69071 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Other |
| Total Length | 129.9 ft (39.6 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 18.4 ft (5.6 m) |
| Deck Area | 221.8 sq m |
| Main Spans | 1 |
| Year Built | 1982 (reconstructed 2019) |
Traffic
| Avg Daily Traffic | 131 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0012106B0000000 |