I59 over 77TH STREET


+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:I59 over 77TH STREET
Structure number:011560
Location:I59 * 77TH STREET
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

Good/Fair/Poor Condition:Fair
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:66.1 tons [60.1 metric tons]
Inventory rating:40.3 tons [36.6 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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201586.6FairSatisfactorySatisfactoryGood-33120
October 201386.6FairSatisfactorySatisfactoryGood-33120
October 201186.6FairGoodSatisfactoryGood-33210
October 200986.4GoodGoodGoodGood-34580
October 200786.4GoodGoodGoodGood-34510
October 200586.6GoodGoodGoodGood-33170
December 200386.7GoodGoodGoodGood-32400
January 200286.6GoodGoodGoodGood-32400
February 200086.1GoodGoodGoodGood-37525
March 199886.7GoodGoodVery GoodGood-31560
March 199685.5GoodGoodVery GoodGoodFO29765
March 199485.6GoodGoodVery GoodGoodFO28150
November 199185.7GoodGoodGoodVery GoodFO26875