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1st Avenue North Bridge (Old)

Map 

Facts 

Overview
Lost Arch bridge over Missouri River on First Ave N
Location
Great Falls, Cascade County, Montana
Status
Replaced by new bridge
History
Built ca. 1920; Replaced 1996
Design
Arch
Dimensions
Length of largest span: 141.1 ft.
Total length: 1,130.0 ft.
Deck width: 24.6 ft.
Recognition
Posted to the National Register of Historic Places
Approximate latitude, longitude
+47.50669, -111.31210   (decimal degrees)
47°30'24" N, 111°18'44" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/476497/5261520 (zone/easting/northing)
Quadrangle map:
Northwest Great Falls
Inventory number
BH 48680 (Bridgehunter.com ID)
Inspection (as of 01/1990)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 2.0 (out of 100)
Average daily traffic (as of 1991)
10,272

Update Log 

  • June 3, 2016: Updated by Luke: Added loss date
  • April 23, 2011: Added by David Backlin

Sources