ROOT ST over I- 90,94 RYAN & CTA


+41.81913, -87.62990
41°49'09" N, 87°37'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:ROOT ST over I- 90,94 RYAN & CTA
Structure number:016115400000000
Old structure number:000016115426288 (from 1992 edition)
Location:2 M S I-55
Purpose:Carries highway over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:72.2 ft. [22.0 m]
Total length:428.5 ft. [130.6 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:66.6 ft. [20.3 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2009
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: November 2015 

Status:Open, no restriction [A]
Average daily traffic:2,100 [as of 2014]
Truck traffic:9% 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 corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:67.8 tons [61.6 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Sufficiency rating:82.5
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$2,091,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201582.5Not deficientGoodVery GoodGood2100
November 201382.5Not deficientVery GoodVery GoodGood2100
November 201189.4Not deficientVery GoodVery GoodGood1350
January 201081.1Functionally obsoleteVery GoodExcellentGood3000
December 200762.3Structurally deficientPoorFairFair15009
January 200663.8Structurally deficientPoorFairFair15009
July 200463.8Structurally deficientPoorFairSatisfactory15009
October 200263.8Structurally deficientPoorFairSatisfactory15009
September 200063.8Structurally deficientPoorFairSatisfactory15009
December 199963.8Structurally deficientPoorFairSatisfactory15009
March 199863.8Structurally deficientPoorFairSatisfactory15009
July 199663.8Structurally deficientPoorFairSatisfactory15009
June 199463.1Structurally deficientPoorFairSatisfactory15009
October 199363.1Structurally deficientPoorFairSatisfactory15009
July 199274.4Structurally deficientPoorGoodSatisfactory15009
March 199174.4Structurally deficientPoorGoodSatisfactory15009