Prather Road SW over Chehalis River
Good Condition38 years old620 vehicles/day
Location
| State | Washington |
| County | Thurston |
| Location | 1.4 M W Of Old Hwy99 |
| Carries | Prather Road SW |
| Crosses | Chehalis River |
| Coordinates | 46.77526, -123.03623 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 366.1 ft (111.6 m) |
| Max Span | 122.0 ft (37.2 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 1216.4 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 620 (2021) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 083389000000000 |