Facts
- Overview
- Concrete arch bridge over Johnson Slough on Pioneer Highway in Silvana
- Location
- Snohomish County, Washington
- Status
- Open to traffic
- History
- Built 1919; rehabilitated 1998
- Design
- Arch
- Dimensions
-
Length of largest span: 20.0 ft.
Total length: 27.9 ft.
Deck width: 39.4 ft.
- Approximate latitude, longitude
- +48.19667, -122.24500 (decimal degrees)
48°11'48" N, 122°14'42" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/556105/5338434 (zone/easting/northing)
- USGS topographic map
- Arlington West
- Inventory number
- BH 34521 (Bridgehunter.com ID)
- Inspection (as of 06/2006)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 66.9 (out of 100) - Average daily traffic (as of 2005)
- 4,267