SW Tonka Road over Nyberg Creek
Good Condition41 years old567 vehicles/day
Location
| State | Oregon |
| County | Washington |
| Location | 001 E Boones Ferry Road |
| Carries | SW Tonka Road |
| Crosses | Nyberg Creek |
| Coordinates | 45.37992, -122.76172 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 37.1 ft (11.3 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 178.5 sq m |
| Main Spans | 1 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 567 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 67TB01000000000 |