I-5 over Bn Ry
Fair Condition54 years old37,599 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 4.9 N Jct SR 503 |
| Carries | I-5 |
| Crosses | Bn Ry |
| Coordinates | 45.95944, -122.80589 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 383.9 ft (117 m) |
| Max Span | 190.0 ft (57.9 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 1942.2 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 37,599 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008952D0000000 |