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247TH ST over ROCK RUN CREEK

Map

Coordinates:
+42.22222, -91.33611
42°13'20" N, 91°20'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:247TH ST over ROCK RUN CREEK
Structure number:000000000103061
Location:080031609
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:42.0 ft. [12.8 m]
Total length:42.0 ft. [12.8 m]
Roadway width between curbs:19.7 ft. [6.0 m]
Deck width edge-to-edge:19.7 ft. [6.0 m]
Owner:County Highway Agency [02]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Gravel [8]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Posted for other load-capacity restriction [R]
Average daily traffic:15 [as of 2010]
Deck condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:34.9 tons [31.7 metric tons]
Inventory rating:29.0 tons [26.4 metric tons]
Sufficiency rating:70.1
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 201670.1FairFairFairFair-15
May 201470.1FairFairFairFair-15
May 201270.1FairFairFairFair-15
May 201069.5FairFairFairSatisfactory-15
May 200870.5FairSatisfactoryFairSatisfactory-15
June 200670.8FairSatisfactoryFairSatisfactory-15
April 200470.8FairSatisfactoryFairSatisfactory-15
June 200270.8FairSatisfactoryFairSatisfactory-15
April 200070.8FairSatisfactoryFairSatisfactory-15
June 199870.8FairSatisfactoryFairSatisfactory-15
July 199687.9FairSatisfactorySatisfactorySatisfactory-15
April 199493.0FairSatisfactoryGoodSatisfactory-15
June 199293.0FairSatisfactoryGoodSatisfactory-15
June 199093.0FairSatisfactoryGoodSatisfactory-15