SR 505 over Cowlitz River
Good Condition32 years old3,938 vehicles/day
Location
| State | Washington |
| County | Lewis |
| Location | 3.8 E Jct I-5 |
| Carries | SR 505 |
| Crosses | Cowlitz River |
| Coordinates | 46.43818, -122.84228 |
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 | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 751.0 ft (228.9 m) |
| Max Span | 187.0 ft (57 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 2838.4 sq m |
| Main Spans | 4 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 3,938 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0014229A0000000 |