+41.67027, -90.42706
41°40'13" N, 90°25'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:250TH ST over LOST CREEK
Structure number:000000000302921
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:42.0 ft. [12.8 m]
Total length:149.9 ft. [45.7 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Skew angle:45°
Owner:County Highway Agency [02]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:80 [as of 2014]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
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:98.0
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2015FairGoodSatisfactoryGood8098.0
July 2013FairSatisfactorySatisfactoryGood45100.0
June 2011GoodGoodGoodGood45100.0
April 2009GoodGoodVery GoodGood4590.5
May 2007GoodGoodVery GoodGood4590.8
July 2005GoodGoodVery GoodGood45100.0
June 2003GoodGoodVery GoodGood45100.0
April 2001GoodGoodVery GoodGood50100.0
July 1999GoodGoodVery GoodGood50100.0
July 1997GoodGoodVery GoodGood70100.0
January 1995GoodGoodVery GoodGood70100.0
August 1993GoodGoodVery GoodGood60100.0
June 1991GoodGoodVery GoodGood60100.0