Porter Creek RD W over Chehalis River
Good Condition40 years old713 vehicles/day
Location
| State | Washington |
| County | Grays Harbor |
| Location | 0.1 W Jct SR 12 |
| Carries | Porter Creek RD W |
| Crosses | Chehalis River |
| Coordinates | 46.93925, -123.31361 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 490.2 ft (149.4 m) |
| Max Span | 128.9 ft (39.3 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 1673.3 sq m |
| Main Spans | 4 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 713 (2020) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082824000000000 |