43RD ST over I- 90,94 RYAN & CTA


+41.81632, -87.62987
41°48'59" N, 87°37'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:43RD ST over I- 90,94 RYAN & CTA
Structure number:016115500000000
Old structure number:000016115526289 (from 1992 edition)
Location:2.1 M S I-55
Purpose:Carries highway overpass over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:72.2 ft. [22.0 m]
Total length:295.9 ft. [90.2 m]
Roadway width between curbs:54.1 ft. [16.5 m]
Deck width edge-to-edge:70.5 ft. [21.5 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1961
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: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: March 2014 

Status:Open, no restriction [A]
Average daily traffic:7,100 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:83.7 tons [76.1 metric tons]
Inventory rating:50.3 tons [45.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,831,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201478.1Functionally obsoleteGoodVery GoodGood7100
March 201278.1Functionally obsoleteGoodVery GoodGood7000
October 201076.6Not deficientGoodVery GoodGood7000
December 200876.6Not deficientGoodVery GoodGood6000
January 200676.3Functionally obsoleteVery GoodVery GoodGood10209
July 200476.3Functionally obsoleteVery GoodExcellentGood10209
October 200245.7Structurally deficientPoorFairPoor10209
October 200062.2Structurally deficientPoorFairFair10200
December 199962.2Structurally deficientPoorFairFair10200
March 199862.2Structurally deficientPoorFairFair10200
July 199662.2Structurally deficientPoorFairFair10200
June 199461.6Structurally deficientPoorFairFair10200
October 199361.6Structurally deficientPoorFairFair10200
July 199261.6Structurally deficientPoorSatisfactoryFair10200
March 199161.6Structurally deficientPoorSatisfactoryFair10200