SR 400 (NBL) over I-85


+33.82156, -84.35938
33°49'18" N, 84°21'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR 400 (NBL) over I-85
Structure number:000000012107350
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:279.9 ft. [85.3 m]
Total length:1825.2 ft. [556.3 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:51.2 ft. [15.6 m]
Vertical clearance below bridge:18.4 ft. [5.6 m]
Skew angle:42°
Owner:State Highway Agency [01]
Year built:1993
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:2
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: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:79,350 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Operating rating:67.3 tons [61.2 metric tons]
Inventory rating:20.8 tons [18.9 metric tons]
Sufficiency rating:64.9
Estimated cost of work:$10,696,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201564.9FairSatisfactoryGoodGood-79350
June 201364.9FairSatisfactoryVery GoodGood-79350
June 201174.3FairSatisfactoryVery GoodGood-15900
September 200966.9FairSatisfactoryVery GoodGood-93430
August 200766.9FairSatisfactoryVery GoodGood-93670
July 200566.9FairSatisfactoryVery GoodGood-92560
July 200366.9FairSatisfactoryVery GoodGood-92100
May 200166.9FairSatisfactoryVery GoodGood-69350
October 199966.9FairSatisfactoryVery GoodGood-69350
August 199685.0FairSatisfactoryVery GoodVery Good-69350
November 199485.0FairSatisfactoryVery GoodVery Good-69350
September 199385.0FairVery GoodVery GoodSatisfactory-69350