US 101 over Mill Creek
Good Condition53 years old19,397 vehicles/day
Location
| State | Washington |
| County | Mason |
| Location | 4.9 S Jct SR 102 |
| Carries | US 101 |
| Crosses | Mill Creek |
| Coordinates | 47.18770, -123.10981 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 152.9 ft (46.6 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 615.1 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 19,397 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0009361D0000000 |