+47.06437, -91.60539
47°03'52" N, 91°36'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TH 61 over SILVER CREEK
Structure number:5648
Location:3.9 MI NE OF JCT CSAH 2
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:12.1 ft. [3.7 m]
Total length:26.6 ft. [8.1 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1936
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,400 [as of 2008]
Truck traffic:9% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:81.8
Estimated cost of work:$660,000,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
July 2017Fair5 out of 10640081.8
June 2016Fair5 out of 10640081.8
May 2015Fair5 out of 10640081.8
May 2014Fair5 out of 10640081.8
May 2013Fair5 out of 10640081.8
May 2012Fair5 out of 10640080.8
April 2011Poor4 out of 10640063.8
November 2010Poor4 out of 10640063.8
May 2009Fair5 out of 10640080.8
April 2007Fair5 out of 10610081.0
May 2005Good7 out of 10610090.3
June 2003Good7 out of 10640090.2
August 2001Good7 out of 10570090.5
June 1999Good7 out of 10600091.2
September 1997Good7 out of 10570091.2
July 1996Good7 out of 10530091.4
October 1995Good7 out of 10530092.3
May 1994Good7 out of 10550092.2
April 1993Good7 out of 10550092.2
March 1992Good7 out of 10440092.7
October 1991Good7 out of 10440092.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.26416207410