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Oak Street Bridge


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Oak Street Bridge 

Written by Jason Smith

The Oak Street Bridge has a history which dates as far back as 135 years ago, when a two-span Pratt iron truss structure was built at this location. It lasted until 1911 when a steel Camelback through truss bridge with pin-connections replaced it. While the length was about 180 feet, the width of 13 feet presented problems dating as far back as 1924 when the Ford Model-Ts ruled the roads. Drivers were forced to wait at the entrance to the bridge to allow oncoming traffic to pass. This process continued until officials in both Chippewa and Yellow-Medicine Counties and the city of Granite Falls approved a measure to replace the truss bridge with its present span, a three-span concrete girder bridge that is over 290 ft. long and four lanes wide. The bridge was open to traffic in 1975 and has served traffic ever since. It serves as a link to the northern parts of Granite Falls, including its industrial district.


Steel stringer bridge over Minnesota River on Oak Street (CSAH 22 and CSAH 38-Renville Co.)
Granite Falls, Yellow Medicine County, Minnesota, and Chippewa County, Minnesota
Open to traffic
Built 1974 replacing a pin-connected Camelback through truss bridge with A-frame portal bracing.
Steel stringer
Length of largest span: 109.9 ft.
Total length: 292.0 ft.
Deck width: 44.0 ft.
Also called
Minnesota River Bridge
Approximate latitude, longitude
+44.81222, -95.53500   (decimal degrees)
44°48'44" N, 95°32'06" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/299551/4965217 (zone/easting/northing)
Quadrangle map:
Granite Falls
Average daily traffic (as of 2017)
Inventory numbers
MN 87513 (Minnesota bridge number)
BH 49143 (Bridgehunter.com ID)
Inspection report (as of November 2018)
Overall condition: Good
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 99.5 (out of 100)
View more at BridgeReports.com

Update Log 

  • July 20, 2011: Essay added by Jason Smith

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  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com