HWY 081 over Columbia Slough
Fair Condition92 years old17,168 vehicles/day
Location
| State | Oregon |
| County | Multnomah |
| Location | 1.6 Mi S Of I-5 Jct |
| Carries | HWY 081 |
| Crosses | Columbia Slough |
| Coordinates | 45.58653, -122.66416 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 307.1 ft (93.6 m) |
| Max Span | 77.1 ft (23.5 m) |
| Deck Width | 63.6 ft (19.4 m) |
| Deck Area | 1815.8 sq m |
| Main Spans | 4 |
| Year Built | 1934 (reconstructed 1954) |
Traffic
| Avg Daily Traffic | 17,168 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 01377C01EX00441 |