M.L.K. JR. DRIVE over I-75


+33.74824, -84.38488
33°44'54" N, 84°23'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M.L.K. JR. DRIVE over I-75
Structure number:000000012107090
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:185.0 ft. [56.4 m]
Total length:369.1 ft. [112.5 m]
Roadway width between curbs:60.4 ft. [18.4 m]
Deck width edge-to-edge:82.4 ft. [25.1 m]
Vertical clearance below bridge:19.4 ft. [5.9 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1989
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:2
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: June 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,550 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:28.7 tons [26.1 metric tons]
Sufficiency rating:89.3
Estimated cost of work:$3,342,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201589.3FairGoodVery GoodSatisfactory-10550
June 201378.2FairGoodVery GoodFair-10550
June 201179.6FairGoodVery GoodFair-21650
October 200980.7FairGoodVery GoodFair-21650
February 200880.7FairGoodVery GoodFair-21650
August 200596.0GoodGoodVery GoodVery Good-21560
August 200395.9GoodGoodVery GoodVery Good-24060
October 200195.9GoodGoodVery GoodVery Good-23000
June 199996.0GoodGoodVery GoodVery Good-20810
June 199696.1GoodGoodVery GoodVery Good-19090
July 199496.7GoodGoodVery GoodVery Good-17980
March 199496.7GoodGoodVery GoodVery Good-17980
November 199197.0GoodGoodVery GoodVery Good-13500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.3,6903,690000
Steel Protective Coatingsq. ft.66,42066,420000
Reinforced Concrete Decksq. ft.30,443030,44300
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.166166000
Reinforced Concrete Pier Caplinear ft.83730100
Open Jointlinear ft.1661165000
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.738073800