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IS 495X over CABIN JOHN CREEK

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 495X over CABIN JOHN CREEK
Structure number:100000150085010
Location:0.22 MILE NORTH OF GV 6
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:62.0 ft. [18.9 m]
Total length:289.1 ft. [88.1 m]
Roadway width between curbs:69.9 ft. [21.3 m]
Deck width edge-to-edge:75.1 ft. [22.9 m]
Skew angle:50°
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: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: August 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:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:60.8 tons [55.3 metric tons]
Inventory rating:36.4 tons [33.1 metric tons]
Sufficiency rating:75.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,434,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201675.2FairFairFairFair-19820
September 201575.2FairFairFairFair-19820
September 201470.5FairFairFairFair-19820
October 201356.3FairFairFairFair-19820
October 201256.1FairFairFairFair-19820
October 201156.1FairFairFairFair-19820
October 201056.1FairFairFairFair-19820
September 200955.8FairFairFairFair-20520
September 200855.8FairFairFairFair-20520
September 200756.2FairFairFairFair-19625
September 200656.2FairFairFairFair-19625
September 200556.2FairFairFairFair-19625
October 200457.3FairSatisfactoryFairFair-19625
September 200357.3FairSatisfactoryFairFair-19625
August 200258.5FairSatisfactoryFairFair-16575
August 200160.5FairSatisfactoryFairFair-16575
July 200060.5FairSatisfactoryFairFair-16575
April 199960.5FairSatisfactorySatisfactoryFair-16575
April 199760.5FairSatisfactorySatisfactoryFair-16575
April 199658.7FairSatisfactorySatisfactoryFair-22099
May 199465.1FairSatisfactorySatisfactoryFair-22099
April 199376.2FairSatisfactorySatisfactorySatisfactory-22099
April 199285.5FairSatisfactorySatisfactorySatisfactory-22099
February 199174.7FairSatisfactorySatisfactoryFair-22099

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.3,4681,0002,453150
Steel Protective Coatingsq. ft.24,964016,9648,0000
Deck
Reinforced Concrete Decksq. ft.17,44716,927500200
Wearing Surfacessq. ft.15,40214,932450200
Substructure
Reinforced Concrete Columneach4436620
Reinforced Concrete Abutmentlinear ft.1961197250
Reinforced Concrete Pier Caplinear ft.449160258310
Joints
Pourable Jointlinear ft.1,09100353738
Bearings
Movable Bearingeach66016500
Steel Protective Coatingsq. ft.1490491000
Fixed Bearingeach66016500
Steel Protective Coatingsq. ft.149059900
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5525371500
Steel Protective Coatingsq. ft.2,44502,0454000
Reinforced Concrete Bridge Raillinear ft.5725621000