Plymouth Road over Fourmile Canyon
Good Condition33 years old560 vehicles/day
Location
| State | Washington |
| County | Benton |
| Location | 1.693 Mi N Of SR 14 |
| Carries | Plymouth Road |
| Crosses | Fourmile Canyon |
| Coordinates | 45.96914, -119.35093 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 59.0 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 560 (2018) |
| Truck Traffic | 40% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 086729000000000 |