Knapp Road over Coal Creek
Fair Condition48 years old63 vehicles/day
Location
| State | Washington |
| County | Lincoln |
| Location | 3.40 W SR 28 |
| Carries | Knapp Road |
| Crosses | Coal Creek |
| Coordinates | 47.39711, -118.33661 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 124.2 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 63 (2021) |
| Truck Traffic | 40% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 081557000000000 |