Nav Lock Bridge over Nav Lock Channel
Good Condition44 years old150 vehicles/day
Location
| State | Washington |
| County | Garfield |
| Location | Lower Granite Dam |
| Carries | Nav Lock Bridge |
| Crosses | Nav Lock Channel |
| Coordinates | 46.66177, -117.43089 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 90.2 ft (27.5 m) |
| Max Span | 88.3 ft (26.9 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 244.8 sq m |
| Main Spans | 1 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 150 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | Corps of Engineers |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | CEPNPWWA0LGRNAV |