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CO RD W64 over SMALL NATURAL STREAM

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+41.78056, -91.90278
41°46'50" N, 91°54'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CO RD W64 over SMALL NATURAL STREAM
Structure number:000000000051570
Location:077062202
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:32.2 ft. [9.8 m]
Total length:32.2 ft. [9.8 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Owner:County Highway Agency [02]
Year built:1930
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:Bituminous [6]

Latest Available Inspection: March 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:640 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 assessed or calculated scour condition. [5]
Sufficiency rating:46.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2015PoorPoorPoorPoor64046.0
March 2013PoorPoorPoorPoor78044.3
March 2011PoorPoorPoorPoor78045.6
March 2009PoorPoorPoorFair63047.0
March 2007PoorPoorPoorFair63032.5
June 2005PoorPoorPoorFair41033.9
June 2003PoorPoorFairFair41050.1
February 2001FairFairSatisfactorySatisfactory44078.7
April 1999FairFairSatisfactorySatisfactory43078.8
November 1997FairFairSatisfactorySatisfactory51073.4
April 1995FairFairSatisfactorySatisfactory48071.8
July 1993FairFairSatisfactorySatisfactory42071.8
April 1991FairFairFairSatisfactory40071.0