Butte RD B493 over Malheur River (butte)
Fair Condition52 years old335 vehicles/day
Location
| State | Oregon |
| County | Malheur |
| Location | 014 M N Inter HWY 20 26 |
| Carries | Butte RD B493 |
| Crosses | Malheur River (butte) |
| Coordinates | 44.00661, -117.08626 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 141.1 ft (43 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 391.3 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 335 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15566A088500031 |