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BANCROFT AVE over BIG SLOUGH CREEK

Map

Coordinates:
+41.47710, -91.34841
41°28'38" N, 91°20'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BANCROFT AVE over BIG SLOUGH CREEK
Structure number:000000000257760
Location:077041706
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:45.9 ft. [14.0 m]
Total length:45.9 ft. [14.0 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:23.6 ft. [7.2 m]
Owner:County Highway Agency [02]
Year built:1937
Historic significance:Bridge is on the National Register of Historic Places [1]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:60 [as of 2014]
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:44.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorPoorPoorFair6044.8
September 2015FairFairFairFair6059.9
September 2013FairFairFairFair5059.9
September 2011FairFairFairFair5059.9
September 2009FairFairFairFair5071.5
November 2007FairFairFairFair5060.1
October 2005FairFairFairFair2071.8
September 2003FairFairFairFair2071.8
September 2001FairFairFairFair2071.8
September 1999FairFairFairFair4571.7
October 1997FairSatisfactory-Good4589.9
May 1996FairSatisfactory-Very Good4589.9
April 1994FairSatisfactory-Very Good4588.9
February 1992FairSatisfactory-Very Good4588.9