SR 503 over Lewis River
Poor Condition94 years old1,239 vehicles/day
Location
| State | Washington |
| County | Clark |
| Location | 19.7 N Jct SR 502 |
| Carries | SR 503 |
| Crosses | Lewis River |
| Coordinates | 45.96031, -122.37247 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Suspension |
| Total Length | 458.0 ft (139.6 m) |
| Max Span | 299.9 ft (91.4 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 851.6 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1957) |
Traffic
| Avg Daily Traffic | 1,239 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000IU0000000 |