HWY 320 over Umatilla River (echo)
Fair Condition26 years old627 vehicles/day
Location
| State | Oregon |
| County | Umatilla |
| Location | 15.5 Mi NE Morrow Co Line |
| Carries | HWY 320 |
| Crosses | Umatilla River (echo) |
| Coordinates | 45.74216, -119.19927 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 231.0 ft (70.4 m) |
| Max Span | 115.2 ft (35.1 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 865.9 sq m |
| Main Spans | 2 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 627 (2022) |
| Truck Traffic | 35% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 18478 320 03537 |