I59 over 77TH STREET


+33.56611, -86.72667
33°33'58" N, 86°43'36" 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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,120 [as of 2017]
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]
Sufficiency rating:84.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,888,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactorySatisfactoryGood3312084.6
October 2015FairSatisfactorySatisfactoryGood3312086.6
October 2013FairSatisfactorySatisfactoryGood3312086.6
October 2011FairGoodSatisfactoryGood3321086.6
October 2009GoodGoodGoodGood3458086.4
October 2007GoodGoodGoodGood3451086.4
October 2005GoodGoodGoodGood3317086.6
December 2003GoodGoodGoodGood3240086.7
January 2002GoodGoodGoodGood3240086.6
February 2000GoodGoodGoodGood3752586.1
March 1998GoodGoodVery GoodGood3156086.7
March 1996GoodGoodVery GoodGood2976585.5
March 1994GoodGoodVery GoodGood2815085.6
November 1991GoodGoodGoodVery Good2687585.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,3901,3187200
Steel Protective Coatingsq. ft.13,993013,7130280
Reinforced Concrete Decksq. ft.10,719010,71180
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.112105700
Reinforced Concrete Pier Caplinear ft.102102000
Compression Jointlinear ft.108001080
Movable Bearingeach2101821
Fixed Bearingeach70700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3973821500