205TH ST over ROCK CR


+42.32778, -91.65833
42°19'40" N, 91°39'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:205TH ST over ROCK CR
Structure number:000000000103550
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:29.9 ft. [9.1 m]
Total length:33.1 ft. [10.1 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:18.4 ft. [5.6 m]
Owner:County Highway Agency [02]
Year built:1917
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Gravel [8]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Poor
Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:15 [as of 2010]
Truck traffic:40% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:33.0 tons [30.0 metric tons]
Inventory rating:17.7 tons [16.1 metric tons]
Sufficiency rating:41.6
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 201641.6PoorPoorFairPoorSD15
May 201443.5PoorPoorFairPoorSD15
May 201256.5PoorPoorFairFairSD15
May 201055.1PoorPoorFairFairSD15
May 200855.1PoorPoorFairFairSD30
June 200667.8PoorPoorFairFairSD30
April 200467.8PoorPoorFairFairSD30
June 200267.8PoorPoorFairFairSD30
April 200067.5PoorPoorFairFairSD30
July 199867.5PoorPoorFairFairSD30
July 199685.5FairFairSatisfactorySatisfactory-30
April 199486.5FairSatisfactoryGoodSatisfactory-40
June 199286.5FairGoodGoodSatisfactory-40
July 199086.5FairGoodGoodSatisfactory-40