SR 302 over Henderson Bay
Poor Condition90 years old23,753 vehicles/day
Location
| State | Washington |
| County | Pierce |
| Location | 10.7 E Mason Co |
| Carries | SR 302 |
| Crosses | Henderson Bay |
| Coordinates | 47.38364, -122.62928 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 549.9 ft (167.6 m) |
| Max Span | 184.1 ft (56.1 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 1122.9 sq m |
| Main Spans | 5 |
| Year Built | 1936 (reconstructed 1966) |
Traffic
| Avg Daily Traffic | 23,753 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000JQ0000000 |