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IS 95 NB VIADUCT over KANE, NORTH PT, HERRING

Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:IS 95 NB VIADUCT over KANE, NORTH PT, HERRING
Structure number:300000BCW596011
Location:MILEPOST 59.6
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:237.9 ft. [72.5 m]
Total length:3201.3 ft. [975.7 m]
Roadway width between curbs:58.7 ft. [17.9 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Owner:State Toll Authority [31]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:23
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:51,011 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:61.8 tons [56.2 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:85.8

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201585.8FairSatisfactorySatisfactorySatisfactory-51011
October 201373.9FairGoodFairFair-51011
May 201272.1FairGoodFairFair-66655
May 201072.1FairSatisfactoryFairFair-66655
April 200958.0PoorSatisfactoryPoorPoorSD160000
February 200974.0FairGoodSatisfactoryFair-160000
February 200785.0FairGoodSatisfactorySatisfactory-160000
November 200585.0FairGoodSatisfactorySatisfactory-160000
January 200486.0FairFairFairGood--
April 200286.0FairFairFairGood--
May 200086.0FairFairFairGood--
May 199886.0FairFairFairGood--
February 199674.0FairFairFairGood-96157
November 199398.0FairSatisfactoryGoodGood--