RMP I20 TO SR 139 over I-285 (SR 407)


+33.76450, -84.49275
33°45'52" N, 84°29'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RMP I20 TO SR 139 over I-285 (SR 407)
Structure number:000000012101890
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:179.1 ft. [54.6 m]
Total length:550.9 ft. [167.9 m]
Roadway width between curbs:28.5 ft. [8.7 m]
Deck width edge-to-edge:31.5 ft. [9.6 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1979
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 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: July 2015 

Status:Open, no restriction [A]
Average daily traffic:4,640 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:94.1 tons [85.5 metric tons]
Inventory rating:56.4 tons [51.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:91.8
Estimated cost of work:$2,349,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201591.8Functionally obsoleteGoodSatisfactoryGood4640
July 201391.8Functionally obsoleteGoodSatisfactoryGood4640
July 201195.9Not deficientGoodSatisfactoryGood1900
November 200995.9Not deficientGoodGoodGood1900
July 200795.9Not deficientGoodGoodGood1990
August 200590.8Not deficientGoodGoodGood1530
August 200390.6Not deficientGoodGoodGood4400
September 200190.6Not deficientGoodGoodGood4400
July 199990.6Not deficientGoodGoodGood4400
October 199695.8Not deficientVery GoodGoodGood4400
September 199495.7Not deficientVery GoodGoodGood4400
August 199295.7Not deficientVery GoodGoodGood4400
August 199097.7Not deficientVery GoodGoodGood4400