+40.04991, -94.46451
40°02'60" N, 94°27'52" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:490 TH ROAD over WILLOW CR
Structure number:23532
Location:S 36 T 61 N R 32 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:39.0 ft. [11.9 m]
Total length:41.0 ft. [12.5 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:18.0 ft. [5.5 m]
Owner:County Highway Agency [02]
Year built:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:15 [as of 2017]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:90.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017GoodGoodVery GoodVery Good1590.5
February 2015GoodVery GoodVery GoodVery Good1590.5
February 2013GoodExcellentExcellentExcellent1590.5
February 2011GoodExcellentExcellentExcellent1590.5
January 2009GoodExcellentExcellentExcellent1590.5
February 2007GoodExcellentExcellentExcellent1590.5
December 2004GoodExcellentExcellentExcellent1590.5
February 2003GoodExcellentExcellentExcellent200272.7
September 2000GoodExcellentExcellentExcellent1590.5