SR 203 over Slough
Good Condition81 years old10,445 vehicles/day
Location
| State | Washington |
| County | King |
| Location | 17.2 N Jct SR 202 |
| Carries | SR 203 |
| Crosses | Slough |
| Coordinates | 47.76489, -121.95977 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 68.9 ft (21 m) |
| Max Span | 16.1 ft (4.9 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 247.8 sq m |
| Main Spans | 4 |
| Year Built | 1945 |
Traffic
| Avg Daily Traffic | 10,445 (2023) |
| Truck Traffic | 9% |
| 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 | 0002999O0000000 |