SR 203 over Slough
Fair Condition81 years old7,813 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 0.3 N Jct SR 202 |
| Carries | SR 203 |
| Crosses | Slough |
| Coordinates | 47.57253, -121.88764 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 291.0 ft (88.7 m) |
| Max Span | 17.1 ft (5.2 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 878.1 sq m |
| Main Spans | 17 |
| Year Built | 1945 |
Traffic
| Avg Daily Traffic | 7,813 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0002999A0000000 |