+42.77138, -73.68038
42°46'17" N, 73°40'49" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RTE 470 over HUDSON RIVER
Structure number:000000004093220
Location:.2 MI W JCT US 4 & SH 470
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:223.8 ft. [68.2 m]
Total length:809.1 ft. [246.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:1924
Year reconstructed:1996
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:5
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,924 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 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]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:75.4
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$10,843,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairFairGoodSatisfactory1392475.4
August 2016FairSatisfactoryGoodSatisfactory1406176.4
July 2014FairSatisfactoryGoodSatisfactory1538975.8
August 2012FairSatisfactoryGoodGood1260077.1
July 2010FairSatisfactoryGoodGood1273077.0
June 2008GoodGoodVery GoodGood1401176.4
July 2006GoodGoodVery GoodGood1357776.6
July 2004GoodVery GoodVery GoodGood1273077.0
June 2002GoodVery GoodVery GoodGood1329476.8
May 2000GoodExcellentExcellentGood1329476.8
August 1998FairSatisfactoryVery GoodVery Good1329476.8
December 1996FairVery GoodVery GoodSatisfactory1329476.8
July 1995PoorSerious-Poor132942.0
June 1994PoorSeriousSeriousPoor79852.0
October 1993PoorSeriousSeriousPoor79852.0
July 1992PoorSeriousSeriousPoor79852.0
May 1991PoorSeriousSeriousPoor79852.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.4,0254,0151000
Steel Protective Coatingsq. ft.64,033063,8930140
Reinforced Concrete Decksq. ft.32,457031,3231,1340
Wearing Surfacessq. ft.22,551022,55100
Reinforced Concrete Pier Walllinear ft.1927661550
Reinforced Concrete Abutmentlinear ft.170017000
Assembly with Sealeach80020600
Pot Bearingeach3003000
Steel Protective Coatingsq. ft.120064056
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,61101,61100