Share:

IH 794 WB-LAKE INT over LRD CHICAGO ST

Map 

Coordinates:
+43.03309, -87.90019
43°01'59" N, 87°54'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:IH 794 WB-LAKE INT over LRD CHICAGO ST
Structure number:B400400002F0000
Location:2.2 MI W JCT CARFERRY DR
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.0 ft. [32.6 m]
Total length:421.3 ft. [128.4 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:38.1 ft. [11.6 m]
Owner:State Highway Agency [01]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:5
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:22,600 [as of 2013]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:79.0 tons [71.8 metric tons]
Inventory rating:48.1 tons [43.7 metric tons]
Sufficiency rating:80.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201580.7Not deficientGoodFairGood22600
February 201479.7Not deficientFairFairGood22600
March 201277.4Not deficientFairFairGood10100
March 201060.9Functionally obsoleteSatisfactoryFairGood9500
March 200872.0Functionally obsoleteSatisfactorySatisfactoryGood11150
June 200772.0Functionally obsoleteSatisfactorySatisfactoryGood11150
June 200572.0Functionally obsoleteSatisfactorySatisfactoryGood11150
July 200360.2Functionally obsoleteSatisfactoryFairGood11150
October 200260.2Functionally obsoleteSatisfactoryFairGood11150
November 200161.2Functionally obsoleteSatisfactoryFairGood8810
October 200072.8Functionally obsoleteSatisfactorySatisfactoryGood8810
November 199974.3Not deficientSatisfactorySatisfactoryGood16280
October 199874.3Not deficientSatisfactorySatisfactoryGood16280
December 199674.3Not deficientSatisfactorySatisfactoryGood16280
February 199673.9Not deficientSatisfactorySatisfactoryGood16280
December 199473.9Not deficientSatisfactorySatisfactoryGood16280
February 199478.1Not deficientSatisfactorySatisfactoryGood5120
February 199378.1Not deficientSatisfactorySatisfactoryVery Good5120
September 199178.1Not deficientSatisfactorySatisfactoryVery Good5120