HWY 091 over Columbia Slough
Fair Condition110 years old12,202 vehicles/day
Location
| State | Oregon |
| County | Multnomah |
| Location | 5.1 Mi N Of Portland Cc |
| Carries | HWY 091 |
| Crosses | Columbia Slough |
| Coordinates | 45.58970, -122.68700 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 682.7 ft (208.1 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 49.5 ft (15.1 m) |
| Deck Area | 3142.3 sq m |
| Main Spans | 3 |
| Year Built | 1916 |
Traffic
| Avg Daily Traffic | 12,202 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 04517 01WX00511 |