US 97 over Slough Br
Fair Condition90 years old4,571 vehicles/day
Location
| State | Washington |
| County | Kittitas |
| Location | 2.5 N Jct I-90 |
| Carries | US 97 |
| Crosses | Slough Br |
| Coordinates | 47.03260, -120.60797 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 139.8 sq m |
| Main Spans | 2 |
| Year Built | 1936 |
Traffic
| Avg Daily Traffic | 4,571 (2023) |
| Truck Traffic | 17% |
| 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 | 0002193A0000000 |