CSAH 21 over Fort Ridgely Creek


+44.44689, -94.72297
44°26'49" N, 94°43'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CSAH 21 over Fort Ridgely Creek
Structure number:5794
Location:0.2 mi W of jct TH 4
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:12.1 ft. [3.7 m]
Total length:26.9 ft. [8.2 m]
Owner:County Highway Agency [02]
Year built:1937
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:190 [as of 2011]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Large spalls, heavy scaling, wide cracks, considerable efflorescence or opened construction joint permitting loss of backfill. Considerable settlement or misalignment. Considerable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection throughout, extensive corrosion or deep pitting. [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:67.7
Estimated cost of work:$509,920,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
November 2018Poor4 out of 1019067.7
November 2017Poor4 out of 1011567.8
November 2015Fair5 out of 1011583.8
November 2013Fair5 out of 1011583.8
November 2011Fair5 out of 1011574.0
October 2009Fair5 out of 1011574.0
November 2007Fair5 out of 1019574.0
November 2006Fair5 out of 1019574.0
November 2004Fair5 out of 1019574.0
December 2002Fair5 out of 10-74.1
October 2000Fair5 out of 1038571.5
December 1999Fair5 out of 1032071.5
November 1998Fair5 out of 1032071.5
October 1997Fair5 out of 1032071.6
November 1996Fair5 out of 1032071.6
December 1995Fair5 out of 1032071.6
January 1995Fair5 out of 1026071.7
October 1993Fair5 out of 1026071.7
November 1992Fair5 out of 1026071.7
December 1991Fair5 out of 1018071.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.17410450200