39TH ST (PERSHING) over I- 90,94 DAN RYAN


+41.82363, -87.63027
41°49'25" N, 87°37'49" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:39TH ST (PERSHING) over I- 90,94 DAN RYAN
Structure number:016039800000000
Old structure number:000016039804119 (from 1992 edition)
Location:1.7 M S I-55
Purpose:Carries highway overpass over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:71.9 ft. [21.9 m]
Total length:296.9 ft. [90.5 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:98.4 ft. [30.0 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:2001
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2015 

Status:Open, no restriction [A]
Average daily traffic:11,500 [as of 2014]
Truck traffic:23% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:98.0 tons [89.1 metric tons]
Inventory rating:60.3 tons [54.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:90.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$6,740,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201590.8Functionally obsoleteVery GoodGoodGood11500
January 201372.0Functionally obsoleteVery GoodVery GoodVery Good15000
January 201191.2Functionally obsoleteVery GoodVery GoodVery Good15000
January 200991.2Not deficientVery GoodVery GoodVery Good15000
January 200690.6Not deficientVery GoodVery GoodVery Good27700
February 200490.6Not deficientVery GoodVery GoodVery Good27700
February 200390.6Not deficientVery GoodVery GoodVery Good27700
August 200290.6Functionally obsoleteExcellentExcellentVery Good27700
March 200078.9Functionally obsoleteFairFairSatisfactory17900
April 199878.9Functionally obsoleteFairFairSatisfactory17900
August 199778.6Functionally obsoleteFairFairFair23000
July 199679.0Functionally obsoleteFairFairFair15700
April 199582.5Not deficientFairFairFair15700
November 199394.5Not deficientSatisfactorySatisfactorySatisfactory18600
July 199294.5Not deficientSatisfactorySatisfactorySatisfactory18600
March 199194.5Not deficientSatisfactorySatisfactorySatisfactory18600