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

Good/Fair/Poor Condition:Fair
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]
Sufficiency rating:91.8
Estimated cost of work:$2,349,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201591.8FairGoodSatisfactoryGoodFO4640
July 201391.8FairGoodSatisfactoryGoodFO4640
July 201195.9FairGoodSatisfactoryGood-1900
November 200995.9GoodGoodGoodGood-1900
July 200795.9GoodGoodGoodGood-1990
August 200590.8GoodGoodGoodGood-1530
August 200390.6GoodGoodGoodGood-4400
September 200190.6GoodGoodGoodGood-4400
July 199990.6GoodGoodGoodGood-4400
October 199695.8GoodVery GoodGoodGood-4400
September 199495.7GoodVery GoodGoodGood-4400
August 199295.7GoodVery GoodGoodGood-4400
August 199097.7GoodVery GoodGoodGood-4400