Facts
- Overview
- Steel through arch bridge over Columbia River on I-90
- Location
- Kittitas County, Washington
- Status
- Open to traffic
- History
- Built 1962
- Design
- Steel through arch
- Dimensions
-
Length of largest span: 520.0 ft.
Total length: 2,504.1 ft.
Deck width: 56.1 ft.
Vertical clearance above deck: 16.7 ft.
- Approximate latitude, longitude
- +46.94333, -119.96667 (decimal degrees)
46°56'36" N, 119°58'00" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 11/274225/5203139 (zone/easting/northing)
- USGS topographic map
- Vantage
- Inventory number
- BH 34359 (Bridgehunter.com ID)
- Inspection (as of 08/2007)
- Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 51.7 (out of 100) - Average daily traffic (as of 2006)
- 14,074