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COUNTY RD 342 over BLACK CR

Map

Coordinates:
+39.76850, -91.97631
39°46'07" N, 91°58'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY RD 342 over BLACK CR
Structure number:21737
Location:S 2 T 57 N R 10 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:80.1 ft. [24.4 m]
Total length:81.0 ft. [24.7 m]
Roadway width between curbs:11.8 ft. [3.6 m]
Deck width edge-to-edge:12.1 ft. [3.7 m]
Owner:County Highway Agency [02]
Year built:1910
Historic significance:Historical significance is not determinable at this time [4]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:35 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
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 assessed or calculated scour condition. [5]
Sufficiency rating:21.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$359,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018PoorSatisfactoryPoorPoor3521.7
March 2016PoorSatisfactoryPoorPoor3521.7
March 2014PoorSatisfactoryFairPoor3521.7
March 2012PoorSatisfactoryFairPoor3521.7
May 2010PoorSatisfactoryFairPoor5021.6
May 2008PoorGoodFairPoor5021.6
April 2006PoorGoodFairPoor5021.6
April 2004PoorFairFairPoor5020.6
March 2002PoorFairFairPoor5020.6
February 2000PoorFairFairPoor5020.6