Visitor & Project over Bonneville Dam
Fair Condition34 years old1,000 vehicles/day
Location
| State | Oregon |
| County | Multnomah |
| Location | New Lock Swing Bridge |
| Carries | Visitor & Project |
| Crosses | Bonneville Dam |
| Coordinates | 45.63670, -121.94984 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Movable - Swing |
| Total Length | 337.6 ft (102.9 m) |
| Max Span | 186.7 ft (56.9 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 987.8 sq m |
| Main Spans | 2 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 1,000 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | Corps of Engineers |
| Historical Significance | Historical significance is not determined |
| Structure Number | CEPNPPOR000BD12 |