Share:

I-90 over IR 77 SB MAINLINE

Map 

Coordinates:
+41.49528, -81.67944
41°29'43" N, 81°40'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 over IR 77 SB MAINLINE
Structure number:1807773
Location:JCT. I-77
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:124.0 ft. [37.8 m]
Total length:309.1 ft. [94.2 m]
Roadway width between curbs:102.0 ft. [31.1 m]
Deck width edge-to-edge:104.3 ft. [31.8 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1962
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:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: December 2015 

Status:Open, no restriction [A]
Average daily traffic:113,100 [as of 2010]
Truck traffic:5% 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:Superior to present desirable criteria [9]
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:44.6 tons [40.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:82.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201582.9Functionally obsoleteVery GoodGoodGood113100
June 201482.9Functionally obsoleteVery GoodGoodGood113100
August 201382.9Functionally obsoleteVery GoodGoodGood113100
May 201282.9Functionally obsoleteVery GoodGoodGood113100
July 201182.9Functionally obsoleteSatisfactoryGoodSatisfactory113100
November 201083.1Functionally obsoleteFairGoodSatisfactory99720
December 200983.1Functionally obsoleteFairGoodSatisfactory99720
December 200883.1Functionally obsoleteFairGoodSatisfactory99720
November 200783.1Functionally obsoleteFairGoodSatisfactory99720
June 200683.1Functionally obsoleteFairGoodSatisfactory99720
July 200583.1Functionally obsoleteFairGoodSatisfactory99720
July 200470.7Functionally obsoleteFairGoodFair98040
July 200370.7Functionally obsoleteFairGoodFair98040
September 200273.0Not deficientFairGoodFair98040
November 200185.5Not deficientFairGoodSatisfactory98040
November 200086.3Not deficientFairGoodSatisfactory90020
September 199986.3Not deficientFairGoodSatisfactory90020
June 199886.3Not deficientFairSatisfactorySatisfactory90020
July 199673.9Not deficientFairGoodFair90020
November 199575.9Not deficientFairGoodFair90020
May 199475.9Not deficientFairGoodFair90020
May 199375.1Not deficientFairSatisfactoryFair88100
May 199289.2Not deficientSatisfactoryGoodSatisfactory88100
March 199189.2Not deficientSatisfactoryGoodSatisfactory88100