SR 31 over Sullivan Creek
Poor Condition99 years old949 vehicles/day
Location
| State | Washington |
| County | Pend Oreille |
| Location | 14.8 N Jct SR 20 |
| Carries | SR 31 |
| Crosses | Sullivan Creek |
| Coordinates | 48.86031, -117.36362 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 25.3 ft (7.7 m) |
| Deck Area | 422.7 sq m |
| Main Spans | 3 |
| Year Built | 1927 |
Traffic
| Avg Daily Traffic | 949 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0001259A0000000 |