330TH ST over STREAM


+42.02500, -91.46111
42°01'30" N, 91°27'40" 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]
Operating rating:33.6 tons [30.5 metric tons]
Inventory rating:20.8 tons [18.9 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201645.4PoorPoorFairFairSD10
May 201445.4PoorPoorFairFairSD10
May 201247.4FairFairFairSatisfactoryFO10
May 201034.9FairFairFairSatisfactorySD10
April 200834.9FairFairFairSatisfactorySD10
March 200635.1FairFairFairSatisfactorySD10
April 200435.1FairFairFairSatisfactorySD10
October 200135.1FairFairFairSatisfactorySD5
December 199935.1FairFairFairSatisfactorySD5
June 199835.1FairFairFairSatisfactorySD5
May 199636.1FairSatisfactoryFairGoodSD5
April 199460.8FairGoodSatisfactoryGoodFO5
June 199260.8FairGoodSatisfactoryGoodFO5
June 199060.8FairGoodSatisfactoryGoodFO5