SR 231 over Spokane River
Fair Condition77 years old1,110 vehicles/day
Location
| State | Washington |
| County | Lincoln |
| Location | 13.6 N Jct US 2 |
| Carries | SR 231 |
| Crosses | Spokane River |
| Coordinates | 47.83844, -117.85264 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 485.9 ft (148.1 m) |
| Max Span | 200.1 ft (61 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 1407.0 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,110 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 0003558A0000000 |