SR 507 over Nisqually River
Fair Condition39 years old22,357 vehicles/day
Location
| State | Washington |
| County | Thurston |
| Location | 2.4 N Jct SR 510 |
| Carries | SR 507 |
| Crosses | Nisqually River |
| Coordinates | 46.93323, -122.56091 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 284.1 ft (86.6 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 1221.1 sq m |
| Main Spans | 3 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 22,357 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0013055A0000000 |