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

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: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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201586.6FairSatisfactorySatisfactoryGood-33120
October 201386.6FairSatisfactorySatisfactoryGood-33120
October 201186.6FairSatisfactorySatisfactoryGood-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
April 199886.7GoodGoodGoodGood-31560
March 199685.5GoodGoodGoodGoodFO29765
March 199485.6GoodGoodGoodGoodFO28150
November 199185.8GoodGoodGoodGoodFO25850

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,3901,3583200
Steel Protective Coatingsq. ft.13,993013,99300
Reinforced Concrete Decksq. ft.10,719010,71900
Reinforced Concrete Columneach65100
Reinforced Concrete Abutmentlinear ft.156147900
Reinforced Concrete Pier Caplinear ft.102102000
Compression Jointlinear ft.108038700
Movable Bearingeach2101920
Fixed Bearingeach70700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3973771730