TR 320 over STREAM


+39.33898, -88.67218
39°20'20" N, 88°40'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TR 320 over STREAM
Structure number:087320200000000
Old structure number:000087320219193 (from 1992 edition)
Location:3.0 MI SW STRASBURG
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:39.0 ft. [11.9 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:20.7 ft. [6.3 m]
Deck width edge-to-edge:21.0 ft. [6.4 m]
Owner:Town or Township Highway Agency [03]
Year built:1909
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:50 [as of 2018]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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 minimum criteria [6]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:39.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$118,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairFairFairFair5039.1
March 2016FairFairFairFair5039.1
March 2014FairFairFairFair5037.0
February 2012FairFairFairFair5037.0
March 2010FairFairFairFair5037.0
March 2008FairFairFairFair5037.0
February 2006FairFairFairFair5037.0
February 2004FairFairFairFair2537.0
April 2002FairFairFairFair2537.0
February 2000FairFairFairFair2557.2
February 1998FairFairFairFair10057.2
March 1996FairFairFairFair10057.2
January 1994FairFairFairFair2557.3
February 1992FairFairFairFair2557.3
April 1988FairFairFairFair2557.2