+42.25811, -94.06765
42°15'29" N, 94°04'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IA 175 over SKILLET CREEK
Structure number:000000000052400
Location:0.3 mi S of SR P73
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:29.9 ft. [9.1 m]
Total length:29.9 ft. [9.1 m]
Owner:State Highway Agency [01]
Year built:1940
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 9 / H 10 [1]
Main span material:Concrete [1]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,180 [as of 2017]
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 minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:84.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Fair6 out of 10118084.0
April 2015Fair6 out of 10114084.1
April 2013Fair6 out of 10114084.1
April 2011Fair6 out of 10116081.0
April 2009Fair6 out of 10120080.8
May 2007Fair6 out of 10208080.5
July 2005Fair6 out of 10212080.4
December 2003Fair6 out of 10176080.7
October 2001-N out of 10159080.9
June 1999Fair6 out of 10164078.8
June 1997Fair6 out of 10158078.9
December 1995Fair6 out of 10156093.9
October 1993Fair6 out of 10209093.6
September 1991Fair6 out of 10169088.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Archlinear ft.3030000
Reinforced Concrete Abutmentlinear ft.8879900