US 101 over Humptulips Overflow
Fair Condition76 years old2,244 vehicles/day
Location
| State | Washington |
| County | Grays Harbor |
| Location | 21.3 N Jct SR 109 |
| Carries | US 101 |
| Crosses | Humptulips Overflow |
| Coordinates | 47.22732, -123.96475 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 155.8 ft (47.5 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 494 sq m |
| Main Spans | 3 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 2,244 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0003765A0000000 |