+41.69848, -91.11058
41°41'55" N, 91°06'38" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:270TH ST over CROOKED CR
Structure number:000000000102880
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:60.0 ft. [18.3 m]
Total length:65.0 ft. [19.8 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:20.3 ft. [6.2 m]
Owner:County Highway Agency [02]
Year built:1930
Year reconstructed:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:20 [as of 2018]
Deck condition:Serious [3 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
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:30.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018PoorSeriousPoorSerious2030.0
May 2017PoorSeriousPoorSerious2030.0
May 2016PoorSeriousPoorSerious2030.0
May 2014PoorFairPoorPoor2042.0
May 2012FairSatisfactoryFairFair2050.0
May 2010FairSatisfactoryFairFair2049.6
April 2008FairSatisfactoryFairFair2049.6
June 2006FairSatisfactoryFairFair2049.8
April 2004FairSatisfactoryFairFair2049.8
June 2002FairSatisfactoryFairSatisfactory4049.7
April 2000FairSatisfactoryFairSatisfactory4049.7
June 1998FairSatisfactoryFairSatisfactory4049.7
July 1996FairSatisfactoryFairSatisfactory4049.7
April 1994FairGoodFairGood4057.8
June 1992FairGoodFairGood4057.8
July 1990PoorGoodSeriousGood4049.0