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I-90 SKYWAY over CALUMET RIVER

Map 

Coordinates:
+41.71854, -87.54400
41°43'07" N, 87°32'38" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over CALUMET RIVER
Structure number:016641900000000
Old structure number:000016641905692 (from 1992 edition)
Location:VIAD, CALUMET RV
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:650.0 ft. [198.1 m]
Total length:1301.9 ft. [396.8 m]
Roadway width between curbs:77.4 ft. [23.6 m]
Deck width edge-to-edge:83.0 ft. [25.3 m]
Vertical clearance below bridge:125.0 ft. [38.1 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2003
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:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:34,000 [as of 2013]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:68.7
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$8,565,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201468.7Not deficientGoodFairFair34000
September 201368.7Not deficientGoodFairFair34000
September 201167.0Not deficientVery GoodFairFair42100
September 201067.0Not deficientVery GoodFairFair47900
October 200867.0Not deficientVery GoodFairFair47900
October 200767.0Not deficientVery GoodFairFair47700
November 200567.0Not deficientExcellentFairFair47700
December 200467.0Not deficientExcellentFairFair47700
December 200364.0Structurally deficientPoorFairFair47700
October 200145.8Structurally deficientPoorPoorFair51300
September 200045.8Structurally deficientPoorPoorFair51300
October 199945.8Structurally deficientPoorPoorFair45100
September 199765.9Functionally obsoleteFairFairFair24900
August 199565.2Structurally deficientPoorFairFair25100
July 199465.2Structurally deficientPoorFairFair25100
October 199367.5Not deficientFairSatisfactoryFair25100
May 199268.9Not deficientSatisfactorySatisfactoryFair24200
November 199070.9Not deficientSatisfactorySatisfactoryFair24200