SR 509 over Dry Gulch
Fair Condition69 years old2,730 vehicles/day
Location
| State | Washington |
| County | Pierce |
| Location | 9.7 N Jct I-705 |
| Carries | SR 509 |
| Crosses | Dry Gulch |
| Coordinates | 47.30800, -122.43225 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 236.9 ft (72.2 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 815.9 sq m |
| Main Spans | 1 |
| Year Built | 1957 |
Traffic
| Avg Daily Traffic | 2,730 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0005358A0000000 |