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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 

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. ratingEvaluationDeckSuper.Sub.ADT
September 201585.8Not deficientSatisfactorySatisfactorySatisfactory51011
October 201373.9Not deficientGoodFairFair51011
May 201272.1Not deficientGoodFairFair66655
May 201072.1Not deficientSatisfactoryFairFair66655
April 200958.0Structurally deficientSatisfactoryPoorPoor160000
February 200974.0Not deficientGoodSatisfactoryFair160000
February 200785.0Not deficientGoodSatisfactorySatisfactory160000
November 200585.0Not deficientGoodSatisfactorySatisfactory160000
January 200486.0Not deficientFairFairGood-
April 200286.0Not deficientFairFairGood-
May 200086.0Not deficientFairFairGood-
May 199886.0Not deficientFairFairGood-
February 199674.0Not deficientFairFairGood96157
November 199398.0Not applicableSatisfactoryGoodGood-