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WESTERN AV/31ST over SANITARY&SHIP CANAL

Map 

Coordinates:
+41.83831, -87.68507
41°50'18" N, 87°41'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:WESTERN AV/31ST over SANITARY&SHIP CANAL
Structure number:016605600000000
Old structure number:000016605623164 (from 1992 edition)
Location:3100 S WESTERN AVE
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:108.9 ft. [33.2 m]
Total length:295.0 ft. [89.9 m]
Roadway width between curbs:107.3 ft. [32.7 m]
Deck width edge-to-edge:145.3 ft. [44.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Skew angle:12°
Owner:City or Municipal Highway Agency [04]
Year built:1940
Year reconstructed:1942
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: October 2015 

Status:Open, no restriction [A]
Average daily traffic:14,700 [as of 2014]
Truck traffic:16% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
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:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:64.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201564.0Structurally deficientSatisfactoryPoorFair14700
October 201364.0Structurally deficientSatisfactoryPoorFair14700
October 201183.0Not deficientSatisfactoryFairFair48800
December 200978.0Not deficientSatisfactoryFairFair48800
October 200778.0Not deficientSatisfactoryFairFair43100
November 200578.0Not deficientSatisfactoryFairFair24200
October 200378.0Not deficientSatisfactoryFairFair24200
October 200178.0Not deficientSatisfactoryFairFair24200
September 199978.0Not deficientSatisfactoryFairFair24200
September 199778.0Not deficientSatisfactoryFairFair24200
September 199545.0Structurally deficientSatisfactorySeriousFair30000
April 199445.0Structurally deficientSatisfactorySeriousFair30000
August 199349.0Structurally deficientFairSeriousFair30000
March 199189.0Not deficientSatisfactoryGoodSatisfactory30000