St. Mary River Aqueduct Bridge

Photos

Photo taken by Historic American Engineering Record

BH Photo #119467

Overview: Two-span through truss bridge over St. Mary River on CR 224, also carrying a pair of water pipelines
Location: Glacier County, Montana
Status: Closed to traffic, but still carries pipelines
History: Built 1915 by the Minneapolis Bridge Co.; bypassed 2008
Builder: - Minneapolis Bridge Co. of Minneapolis, Minnesota
Design: Two double-barreled pin-connected, 6-panel Pratt through trusses
Dimensions: Length of largest span: 100.1 ft.
Total length: 201.1 ft.
Deck width: 16.4 ft.
Vertical clearance above deck: 16.3 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +48.94398, -113.37064 (decimal degrees)
48°56'38" N, 113°22'14" W (degrees°minutes'seconds")
Approximate UTM coordinates: 12/572628/5071138 (zone/easting/northing)
Quadrangle map:: Goose Lake
Average daily traffic (as of 2003): 100
Inventory number: BH 23049 (Bridgehunter.com ID)
Inspection report (as of January 2017): Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 94.6 (out of 100)
View more at BridgeReports.com

HAER MT-22 - St. Mary River Bridge & Siphon, Spanning St. Mary River, Babb vicinity, Glacier County, MT