I-20 over M-9131 LANGHORN STREET


+33.74646, -84.43050
33°44'47" N, 84°25'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-20 over M-9131 LANGHORN STREET
Structure number:000000012101750
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:68.9 ft. [21.0 m]
Total length:296.9 ft. [90.5 m]
Roadway width between curbs:116.1 ft. [35.4 m]
Deck width edge-to-edge:119.4 ft. [36.4 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1981
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:5
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2015 

Status:Open, no restriction [A]
Average daily traffic:125,120 [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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:43.6 tons [39.6 metric tons]
Inventory rating:25.7 tons [23.4 metric tons]
Sufficiency rating:73.2
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$4,589,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201573.2Not deficientGoodVery GoodSatisfactory125120
July 201373.2Not deficientGoodGoodSatisfactory125120
July 201174.2Not deficientGoodGoodSatisfactory157010
September 200974.2Not deficientGoodGoodSatisfactory157010
February 200874.2Not deficientGoodGoodSatisfactory157010
August 200574.2Not deficientGoodGoodSatisfactory183950
August 200374.2Not deficientGoodGoodSatisfactory185500
September 200174.2Not deficientGoodGoodSatisfactory127670
May 199973.2Not deficientGoodGoodSatisfactory127670
November 199683.0Not deficientGoodGoodSatisfactory127670
September 199484.0Not deficientGoodGoodSatisfactory127670
August 199284.0Not deficientGoodGoodGood127670
August 199084.0Not deficientGoodGoodGood109140