+40.91291, -87.67347
40°54'46" N, 87°40'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TR 320 over MARTINTON DITCH #3
Structure number:038454500000000
Old structure number:000038454509201 (from 1992 edition)
Location:2.5MI E MARTINTON
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:55.4 ft. [16.9 m]
Total length:57.1 ft. [17.4 m]
Roadway width between curbs:18.7 ft. [5.7 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:Town or Township Highway Agency [03]
Year built:1955
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]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:25 [as of 2009]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 assessed or calculated scour condition. [5]
Sufficiency rating:39.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017PoorSatisfactorySatisfactorySerious2539.0
April 2015FairSatisfactorySatisfactoryFair2541.8
April 2013FairSatisfactorySatisfactoryFair2541.8
April 2011FairSatisfactorySatisfactoryFair2547.2
April 2009FairSatisfactorySatisfactoryFair2547.2
May 2007FairSatisfactorySatisfactoryFair947.2
April 2005FairSatisfactorySatisfactoryFair947.2
May 2003FairSatisfactorySatisfactoryFair947.2
May 2001FairSatisfactorySatisfactoryFair5056.1
April 1999FairSatisfactorySatisfactoryFair5056.1
March 1997FairSatisfactorySatisfactorySatisfactory5066.1
March 1995FairSatisfactorySatisfactorySatisfactory5061.4
March 1993FairSatisfactorySatisfactorySatisfactory5061.4
April 1991FairSatisfactorySatisfactorySatisfactory5061.4