+41.23393, -92.70701
41°14'02" N, 92°42'25" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:290TH ST over DRAINAGE DITCH #2
Structure number:000000000235670
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.0 ft. [6.1 m]
Total length:23.0 ft. [7.0 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:20.3 ft. [6.2 m]
Owner:County Highway Agency [02]
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Main span material:Concrete [1]
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: December 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:10 [as of 2010]
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:37.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017PoorPoorPoorPoor1037.9
December 2015PoorPoorPoorFair4532.5
January 2014PoorPoorPoorFair4532.5
February 2012PoorPoorPoorFair4532.5
January 2010PoorPoorPoorFair4532.5
January 2008PoorPoorPoorFair4532.5
January 2006PoorPoorPoorFair4532.5
April 2004PoorPoorPoorFair4532.5
March 2002PoorPoorPoorFair4532.5
May 2001PoorPoorPoorFair4532.5
December 1999PoorPoorPoorFair4532.5
June 1999PoorPoorPoorFair4534.0
July 1997FairFairFairFair4571.5
April 1995FairFairFairFair4580.2
June 1993FairFairFairFair4580.2
July 1991FairFairFairFair4553.2