RTE 470 over HUDSON RIVER

Map

Coordinates:
+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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2018	Fair	Fair	Good	Satisfactory	13924	75.4
August 2016	Fair	Satisfactory	Good	Satisfactory	14061	76.4
July 2014	Fair	Satisfactory	Good	Satisfactory	15389	75.8
August 2012	Fair	Satisfactory	Good	Good	12600	77.1
July 2010	Fair	Satisfactory	Good	Good	12730	77.0
June 2008	Good	Good	Very Good	Good	14011	76.4
July 2006	Good	Good	Very Good	Good	13577	76.6
July 2004	Good	Very Good	Very Good	Good	12730	77.0
June 2002	Good	Very Good	Very Good	Good	13294	76.8
May 2000	Good	Excellent	Excellent	Good	13294	76.8
August 1998	Fair	Satisfactory	Very Good	Very Good	13294	76.8
December 1996	Fair	Very Good	Very Good	Satisfactory	13294	76.8
July 1995	Poor	Serious	-	Poor	13294	2.0
June 1994	Poor	Serious	Serious	Poor	7985	2.0
October 1993	Poor	Serious	Serious	Poor	7985	2.0
July 1992	Poor	Serious	Serious	Poor	7985	2.0
May 1991	Poor	Serious	Serious	Poor	7985	2.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	4,025	4,015	10	0	0
Steel Protective Coating	sq. ft.	64,033	0	63,893	0	140
Deck
Reinforced Concrete Deck	sq. ft.	32,457	0	31,323	1,134	0
Wearing Surfaces	sq. ft.	22,551	0	22,551	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	192	76	61	55	0
Reinforced Concrete Abutment	linear ft.	170	0	170	0	0
Joints
Assembly with Seal	each	80	0	20	60	0
Bearings
Pot Bearing	each	30	0	30	0	0
Steel Protective Coating	sq. ft.	120	0	64	0	56
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	1,611	0	1,611	0	0