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Rainbow Bridge

Photo 

Idaho Northern Pacific RR

Highway 55 bridge over INPR tracks and Payette River between Smiths Ferry and Cascade, ID (Called Sunset Bridge)

Photo submitted by Rolland Meyers

BH Photo #307260

Map 

Street View 

Facts 

Overview
Concrete arch bridge over North Fork Payette River on ID 55
Location
Valley County, Idaho
Status
Open to traffic
History
Built 1933
Builders
- C.F. Dinsmore Co. of Ogden. Utah
- Charles A. Kyle of Canada
- Mowat Construction Co. of Woodinville, Washington (2006 - Rehabilitation Contractor)
Design
Concrete open spandrel deck arch.
Dimensions
Length of largest span: 179.1 ft.
Total length: 411.1 ft.
Deck width: 24.3 ft.
Recognition
Posted to the National Register of Historic Places
Also called
North Fork Payette River Bridge
Approximate latitude, longitude
+44.32508, -116.05960   (decimal degrees)
44°19'30" N, 116°03'35" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/574982/4908410 (zone/easting/northing)
Quadrangle map:
Smiths Ferry
Inventory numbers
ID 14805 (Idaho bridge number)
BH 14967 (Bridgehunter.com ID)
Inspection (as of 05/2014)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 49.5 (out of 100)
Average daily traffic (as of 2014)
3,100

Update Log 

  • April 19, 2010: Updated by Nathan Holth: Added Street View and Corrected GPS.