+33.74494, -84.39808
33°44'42" N, 84°23'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-20- RAMP over M-9160 WINDSOR STREET
Structure number:000000012101810
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:58.1 ft. [17.7 m]
Total length:222.1 ft. [67.7 m]
Roadway width between curbs:190.6 ft. [58.1 m]
Deck width edge-to-edge:196.9 ft. [60.0 m]
Vertical clearance below bridge:20.3 ft. [6.2 m]
Skew angle:22°
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1987
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:4
Main spans material:Steel [3]
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 

Status:Open, no restriction [A]
Average daily traffic:142,590 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:36.6 tons [33.3 metric tons]
Inventory rating:21.8 tons [19.8 metric tons]
Sufficiency rating:67.5
Estimated cost of work:$4,140,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201567.5Not deficientGoodGoodGood142590
June 201367.5Not deficientGoodGoodGood142590
June 201169.5Not deficientGoodGoodGood167510
November 200969.5Not deficientGoodGoodGood167510
February 200869.5Not deficientGoodGoodGood167510
August 200569.5Not deficientGoodGoodGood180030
August 200369.5Not deficientGoodGoodGood199000
September 200169.4Not deficientGoodGoodGood146200
September 199969.4Not deficientGoodGoodGood146200
November 199667.4Not deficientGoodVery GoodVery Good146200
September 199485.0Not deficientGoodVery GoodVery Good126600
March 199485.0Not deficientGoodVery GoodVery Good118393
November 199185.0Not deficientGoodVery GoodVery Good118393