Facts
- Overview
- Rainbow arch bridge over Duckabush River on US 101 in Brinnon
- Location
- Jefferson County, Washington
- Status
- Open to traffic
- History
- Built 1934 by the West Coast Construction Co.
- Design
- Concrete through arch
- Dimensions
-
Length of largest span: 109.9 ft.
Total length: 168.0 ft.
Deck width: 24.0 ft.
Vertical clearance above deck: 20.7 ft.
- Recognition
- Posted to the National Register of Historic Places on July 16, 1982
- Approximate latitude, longitude
- +47.64972, -122.93417 (decimal degrees)
47°38'59" N, 122°56'03" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/504943/5277371 (zone/easting/northing)
- USGS topographic map
- Brinnon
- Inventory numbers
- NRHP 82004219 (National Register of Historic Places reference number)
BH 34256 (Bridgehunter.com ID) - Inspection (as of 05/2007)
- Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 40.5 (out of 100) - Average daily traffic (as of 2002)
- 2,063