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IS 95 NB VIADUCT over KANE, NORTH PT, HERRING

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.27,51827,518000
Steel Protective Coatingsq. ft.424,180422,2701,878320
Deck
Reinforced Concrete Decksq. ft.233,513233,513000
Wearing Surfacessq. ft.223,460210,77712,666170
Substructure
Reinforced Concrete Columneach4545000
Reinforced Concrete Pier Walllinear ft.194194000
Reinforced Concrete Abutmentlinear ft.149149000
Reinforced Concrete Pier Caplinear ft.1,6941,694000
Joints
Strip Seal Jointlinear ft.146146000
Compression Jointlinear ft.143143000
Assembly with Sealeach632632000
Bearings
Movable Bearingeach199199000
Steel Protective Coatingsq. ft.2,7862,66012600
Fixed Bearingeach9797000
Steel Protective Coatingsq. ft.1,9921,992000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,4816,481000