+46.75979, -95.33725
46°45'35" N, 95°20'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TH 87 over KETTLE CREEK
Structure number:6698
Location:20.4 MI E OF FRAZEE
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:10.5 ft. [3.2 m]
Total length:23.0 ft. [7.0 m]
Owner:State Highway Agency [01]
Year built:1952
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:700 [as of 2008]
Truck traffic:4% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.7
Estimated cost of work:$64,000,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2017Good7 out of 1070097.7
October 2015Good7 out of 1070097.7
October 2013Good7 out of 1070097.7
October 2011Good7 out of 1070097.7
September 2009Good7 out of 1070097.7
August 2007Good7 out of 1068097.7
September 2005Good7 out of 1068097.7
September 2003Good7 out of 1077097.7
September 2001Good7 out of 1056097.8
September 1999Good7 out of 1065095.6
September 1997Good7 out of 1056097.3
September 1995Good7 out of 1047597.4
September 1994Good7 out of 1038097.5
October 1993Good7 out of 1038097.5
October 1992Good7 out of 1045097.4
September 1990Good7 out of 1045097.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.8677900