+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 

Good/Fair/Poor Condition:Good
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201567.5GoodGoodGoodGood-142590
June 201367.5GoodGoodGoodGood-142590
June 201169.5GoodGoodGoodGood-167510
November 200969.5GoodGoodGoodGood-167510
February 200869.5GoodGoodGoodGood-167510
August 200569.5GoodGoodGoodGood-180030
August 200369.5GoodGoodGoodGood-199000
September 200169.4GoodGoodGoodGood-146200
September 199969.4GoodGoodGoodGood-146200
November 199667.4GoodGoodVery GoodVery Good-146200
September 199485.0GoodGoodVery GoodVery Good-126600
March 199485.0GoodGoodVery GoodVery Good-118393
November 199185.0GoodGoodVery GoodVery Good-118393