+46.75656, -95.52618
46°45'24" N, 95°31'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TH 87 over TOAD RIVER
Structure number:8690
Location:11.3 MI E OF JCT TH 10
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:State Highway Agency [01]
Year built:1948
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:1,050 [as of 2008]
Truck traffic:5% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:97.8
Estimated cost of work:$103,000,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2017Good7 out of 10105097.8
October 2015Good7 out of 10105097.8
October 2013Good7 out of 10105097.8
October 2011Good7 out of 10105097.8
September 2009Good7 out of 10105097.8
August 2007Good7 out of 10125097.7
September 2005Good7 out of 10125097.7
September 2003Good7 out of 10140097.6
September 2001Good7 out of 1085094.1
September 1999Good7 out of 10110090.8
September 1997Good7 out of 1085093.6
September 1995Good7 out of 1068097.4
September 1994Good7 out of 1057097.5
October 1993Good7 out of 1057097.5
October 1992Good7 out of 1065097.4
September 1991Good7 out of 1065097.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.8480400