Facts 

Overview
Rainbow arch bridge over Kennebec River on US 201A/ME 8 in Norridgewock
Location
Somerset County, Maine
Status
Open to traffic
History
Built 1928
Design
Concrete through arch
Dimensions
Length of largest span: 109.9 ft.
Total length: 588.9 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 14.2 ft.
Recognition
Eligible for the National Register of Historic Places
Inventory numbers
ME 2187 (Maine bridge number)
BH 19919 (Bridgehunter.com ID)
Inspection (as of 11/2007)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 17.0 (out of 100)
Average daily traffic (as of 2007)
6,715