TR-704 over LAKE DAM


+38.66366, -88.53615
38°39'49" N, 88°32'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TR-704 over LAKE DAM
Structure number:013600000000000
Old structure number:000013600003271 (from 1992 edition)
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:21.0 ft. [6.4 m]
Total length:42.0 ft. [12.8 m]
Roadway width between curbs:17.7 ft. [5.4 m]
Deck width edge-to-edge:20.7 ft. [6.3 m]
Owner:City or Municipal Highway Agency [04]
Year built:1932
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:175 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:44.6 tons [40.5 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:77.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201677.2FairSatisfactorySatisfactorySatisfactoryFO175
May 201477.2FairSatisfactorySatisfactorySatisfactoryFO400
May 201280.2FairSatisfactorySatisfactorySatisfactoryFO400
May 201080.2FairSatisfactorySatisfactorySatisfactoryFO400
January 200880.2FairSatisfactorySatisfactorySatisfactoryFO400
February 200680.3FairSatisfactorySatisfactorySatisfactoryFO59
February 200480.3FairSatisfactorySatisfactoryGoodFO59
January 200280.2FairSatisfactorySatisfactoryGoodFO59
January 200080.2FairSatisfactorySatisfactoryGoodFO49
January 199880.2FairSatisfactorySatisfactoryGoodFO49
January 199680.7FairSatisfactorySatisfactoryGoodFO49
February 199480.7FairSatisfactorySatisfactoryGoodFO49
January 199280.7FairSatisfactorySatisfactoryGoodFO49