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IS 495X NB over CABIN JOHN CREEK

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 495X NB over CABIN JOHN CREEK
Structure number:100000150087010
Location:0.11 MILE NORTH OF GV 6
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:107.0 ft. [32.6 m]
Total length:272.0 ft. [82.9 m]
Roadway width between curbs:26.9 ft. [8.2 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,820 [as of 2009]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
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]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:87.8 tons [79.8 metric tons]
Inventory rating:52.4 tons [47.6 metric tons]
Sufficiency rating:59.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$647,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201659.7FairFairFairSatisfactoryFO19820
September 201459.7FairFairFairSatisfactoryFO19820
June 201259.7FairFairFairSatisfactoryFO19820
June 201059.7FairFairFairSatisfactoryFO19820
June 200875.9FairSatisfactorySatisfactorySatisfactoryFO10260
June 200676.2FairSatisfactorySatisfactorySatisfactoryFO9313
July 200476.2FairSatisfactorySatisfactorySatisfactoryFO9313
July 200274.0FairSatisfactorySatisfactorySatisfactoryFO16575
July 200076.0FairSatisfactorySatisfactorySatisfactoryFO16575
July 199876.0FairSatisfactorySatisfactorySatisfactoryFO16575
February 199776.0FairSatisfactorySatisfactorySatisfactoryFO16575
February 199570.3FairSatisfactorySatisfactorySatisfactoryFO22099
February 199370.3FairSatisfactorySatisfactorySatisfactoryFO22099
February 199170.3FairSatisfactoryGoodSatisfactoryFO22099