I-90 over IR 77 SB MAINLINE


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


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 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:107,235 [as of 2015]
Truck traffic:4% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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]
Sufficiency rating:83.5

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201683.5GoodVery GoodVery GoodVery GoodFO107235
December 201582.9GoodVery GoodGoodGoodFO113100
June 201482.9GoodVery GoodGoodGoodFO113100
August 201382.9GoodVery GoodGoodGoodFO113100
May 201282.9GoodVery GoodGoodGoodFO113100
July 201182.9FairSatisfactoryGoodSatisfactoryFO113100
November 201083.1FairFairGoodSatisfactoryFO99720
December 200983.1FairFairGoodSatisfactoryFO99720
December 200883.1FairFairGoodSatisfactoryFO99720
November 200783.1FairFairGoodSatisfactoryFO99720
June 200683.1FairFairGoodSatisfactoryFO99720
July 200583.1FairFairGoodSatisfactoryFO99720
July 200470.7FairFairGoodFairFO98040
July 200370.7FairFairGoodFairFO98040
September 200273.0FairFairGoodFair-98040
November 200185.5FairFairGoodSatisfactory-98040
November 200086.3FairFairGoodSatisfactory-90020
September 199986.3FairFairGoodSatisfactory-90020
June 199886.3FairFairSatisfactorySatisfactory-90020
July 199673.9FairFairGoodFair-90020
November 199575.9FairFairGoodFair-90020
May 199475.9FairFairGoodFair-90020
May 199375.1FairFairSatisfactoryFair-88100
May 199289.2FairSatisfactoryGoodSatisfactory-88100
March 199189.2FairSatisfactoryGoodSatisfactory-88100