330TH ST over STREAM


+41.61261, -91.27443
41°36'45" N, 91°16'28" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:330TH ST over STREAM
Structure number:000000000102360
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:70.9 ft. [21.6 m]
Total length:70.9 ft. [21.6 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]
Year built:1930
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 2016

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:10 [as of 2010]
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:45.4
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 2016PoorPoorFairFair1045.4
May 2014PoorPoorFairFair1045.4
May 2012FairFairFairSatisfactory1047.4
May 2010FairFairFairSatisfactory1034.9
April 2008FairFairFairSatisfactory1034.9
March 2006FairFairFairSatisfactory1035.1
April 2004FairFairFairSatisfactory1035.1
October 2001FairFairFairSatisfactory535.1
December 1999FairFairFairSatisfactory535.1
June 1998FairFairFairSatisfactory535.1
May 1996FairSatisfactoryFairGood536.1
April 1994FairGoodSatisfactoryGood560.8
June 1992FairGoodSatisfactoryGood560.8
June 1990FairGoodSatisfactoryGood560.8