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TR 186 over HENDERSON CREEK

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

Map

Coordinates:
+41.10074, -90.68699
41°06'03" N, 90°41'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TR 186 over HENDERSON CREEK
Structure number:000066431015336
Location:SE-23-T13NR3W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:68.6 ft. [20.9 m]
Total length:70.5 ft. [21.5 m]
Roadway width between curbs:13.5 ft. [4.1 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Owner:Town or Township Highway Agency [03]
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
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 2010

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:25 [as of 2004]
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Critical [2 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:17.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$156,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2010PoorPoorSeriousCritical2517.9
February 1999PoorSatisfactoryPoorFair2525.0
January 1992FairSatisfactoryFairSatisfactory2528.8