+42.65683, -92.26132
42°39'25" N, 92°15'41" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:270TH ST over CRANE CREEK
Structure number:000000000078760
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:95.1 ft. [29.0 m]
Total length:98.1 ft. [29.9 m]
Roadway width between curbs:17.1 ft. [5.2 m]
Deck width edge-to-edge:18.0 ft. [5.5 m]
Owner:County Highway Agency [02]
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: June 2017

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:20 [as of 2017]
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:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:30.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017PoorPoorPoorPoor2030.1
June 2015PoorPoorPoorPoor2030.1
June 2013PoorPoorPoorPoor2030.1
May 2011PoorPoorFairPoor2033.8
June 2009PoorPoorSatisfactoryPoor6033.4
June 2007PoorPoorSatisfactoryFair6049.8
February 2005PoorPoorSatisfactoryFair6049.8
April 2003FairFairSatisfactoryFair6043.8
July 2001FairFairSatisfactoryFair6043.8
July 1999FairSatisfactoryGoodSatisfactory3058.6
February 1997FairSatisfactoryGoodGood3060.0
March 1994FairSatisfactoryGoodGood3060.8
August 1991FairSatisfactoryGoodGood3060.8