I 59 over 77 TH ST


+33.53442, -86.72067
33°32'04" N, 86°43'14" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 59 over 77 TH ST
Structure number:011559
Old structure number:00000I59370308A (from 1992 edition)
Location:I 59 * 77 TH ST
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:86.0 ft. [26.2 m]
Total length:198.5 ft. [60.5 m]
Roadway width between curbs:50.9 ft. [15.5 m]
Deck width edge-to-edge:54.1 ft. [16.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1976
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: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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2015 

Status:Open, no restriction [A]
Average daily traffic:33,120 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:67.7 tons [61.5 metric tons]
Inventory rating:40.5 tons [36.8 metric tons]
Sufficiency rating:86.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,888,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201586.6Not deficientSatisfactorySatisfactoryGood33120
October 201386.6Not deficientSatisfactorySatisfactoryGood33120
October 201186.6Not deficientSatisfactorySatisfactoryGood33210
October 200986.4Not deficientGoodGoodGood34580
October 200786.4Not deficientGoodGoodGood34510
October 200586.6Not deficientGoodGoodGood33170
December 200386.7Not deficientGoodGoodGood32400
January 200286.6Not deficientGoodGoodGood32400
February 200086.1Not deficientGoodGoodGood37525
April 199886.7Not deficientGoodGoodGood31560
March 199685.5Functionally obsoleteGoodGoodGood29765
March 199485.6Functionally obsoleteGoodGoodGood28150
November 199185.8Functionally obsoleteGoodGoodGood25850