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ADAMS STREET over UNION STATION TRKS

Map 

Coordinates:
+41.87952, -87.62592
41°52'46" N, 87°37'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ADAMS STREET over UNION STATION TRKS
Structure number:016626000000000
Old structure number:000016626027266 (from 1992 edition)
Location:CHGO RIV TO CANAL ST
Purpose:Carries highway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:67.9 ft. [20.7 m]
Total length:277.2 ft. [84.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:69.2 ft. [21.1 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:Railroad [27]
Year built:1924
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:11,400 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:47.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,537,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201447.0Structurally deficientPoorPoorPoor11400
October 201247.0Structurally deficientPoorPoorPoor9800
November 201047.0Structurally deficientPoorPoorPoor9800
September 200947.0Structurally deficientPoorPoorPoor9300
September 200747.0Structurally deficientPoorFairPoor9300
October 200565.0Functionally obsoleteFairFairFair11009
September 200365.0Functionally obsoleteFairFairFair11009
September 200165.0Functionally obsoleteFairSatisfactoryFair11009
August 199965.0Functionally obsoleteFairSatisfactoryFair11000
July 199765.0Functionally obsoleteFairSatisfactoryFair11000
July 199565.0Functionally obsoleteFairSatisfactoryFair11000
February 199417.0Structurally deficientFairSatisfactoryCritical11000
August 199217.0Structurally deficientFairSatisfactoryCritical11000
May 199276.0Functionally obsoleteFairSatisfactorySatisfactory11000
May 199076.0Functionally obsoleteFairSatisfactorySatisfactory11000