I-5 over Dillenbaugh Creek
Good Condition61 years old30,397 vehicles/day
Location
| State | Washington |
| County | Lewis |
| Location | 3.8 N Jct SR 508 |
| Carries | I-5 |
| Crosses | Dillenbaugh Creek |
| Coordinates | 46.62728, -122.93442 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 232.5 sq m |
| Main Spans | 2 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 30,397 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 002000860000000 |