TWP 173 over STREAM


+43.93675, -93.66741
43°56'12" N, 93°40'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TWP 173 over STREAM
Structure number:91624
Location:0.1 MI N OF JCT CR 74
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:10.2 ft. [3.1 m]
Total length:27.6 ft. [8.4 m]
Owner:County Highway Agency [02]
Year built:1977
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:36 [as of 1969]
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:96.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
November 2017Good7 out of 103696.0
October 2015Good7 out of 103698.0
November 2013Good7 out of 103698.0
November 2011Good7 out of 103698.0
January 2010Good7 out of 103698.0
September 2007Good7 out of 1036100.0
September 2005Good7 out of 1036100.0
October 2003Good7 out of 1036100.0
October 2001Good7 out of 1036100.0
December 1999Good8 out of 103699.0
March 1998Good8 out of 103699.0
January 1996Good8 out of 1036100.0
January 1995Good8 out of 1036100.0
January 1994Good8 out of 1036100.0
January 1993Good9 out of 1036100.0
January 1992Good9 out of 1036100.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.9509500