+45.56116, -88.67397
45°33'40" N, 88°40'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:USH 8 over RAT RIVER
Structure number:B21001400000000
Location:0.2M E JCT STH 32 TO S
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:7.2 ft. [2.2 m]
Total length:21.7 ft. [6.6 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1987
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:Steel [3]
Main spans design:Culvert [19]
Deck type:Corrugated Steel [6]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 2015]
Truck traffic:11% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
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:85.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
August 2017Good7 out of 10200085.9
August 2015Good7 out of 10330082.9
August 2013Good7 out of 10330082.9
August 2011Good7 out of 10330079.9
August 2009Good7 out of 10330079.9
August 2007Good7 out of 10336079.9
August 2005Good7 out of 10336079.9
June 2004Good7 out of 10336079.9
August 2002Good7 out of 10336079.9
September 2001Good7 out of 10219081.6
December 1999Good7 out of 10219081.6
August 1998Good7 out of 10219081.6
July 1997Good7 out of 10219081.6
September 1996Good7 out of 10219081.6
August 1995Good7 out of 10219081.7
July 1994Good7 out of 10219081.7
June 1993Good8 out of 10193083.3
June 1992Good8 out of 10193083.3
September 1991Good8 out of 10193083.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.160160000