SR 529 over SNOHOMISH RIVER

Map

Coordinates:
+48.01215, -122.18942
48°00'44" N, 122°11'22" W

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

Name:	SR 529 over SNOHOMISH RIVER
Structure number:	0000965A0000000
Location:	5.0 N JCT I-5
Purpose:	Carries highway and pedestrian walkway over highway, waterway, and railroad
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Length of largest span:	180.1 ft. `[54.9 m]`
Total length:	2680.2 ft. `[816.9 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	24.9 ft. `[7.6 m]`
Vertical clearance above deck:	14.1 ft. `[4.3 m]`
Vertical clearance below bridge:	72.2 ft. `[22.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1927
Year reconstructed:	1994
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 18 / H 20 `[4]`
Main span material:	Steel `[3]`
Main span design:	Movable - Lift `[15]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	16,817 `[as of 2016]`
Truck traffic:	6% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
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 condition. `[5]`
Sufficiency rating:	33.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$34,304,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
July 2018	Poor	Good	Poor	Fair	16817	33.8
July 2016	Poor	Good	Poor	Fair	15527	33.8
July 2014	Poor	Good	Poor	Fair	15527	33.8
July 2012	Poor	Good	Poor	Fair	15783	33.7
July 2010	Poor	Good	Poor	Fair	16462	33.5
July 2008	Fair	Good	Fair	Fair	16462	46.7
July 2006	Fair	Good	Fair	Fair	11041	52.9
September 2004	Fair	Good	Fair	Fair	11041	52.9
November 2003	Fair	Good	Fair	Fair	11041	52.9
December 2002	Fair	Good	Fair	Fair	11041	52.9
September 2001	Fair	Good	Fair	Fair	11041	45.1
November 2000	Fair	Good	Satisfactory	Fair	11041	45.1
May 1999	Fair	Good	Satisfactory	Satisfactory	11041	50.7
February 1996	Fair	Satisfactory	Satisfactory	Satisfactory	11041	51.1
December 1994	Fair	Satisfactory	Satisfactory	Satisfactory	11041	51.1
December 1993	Fair	Satisfactory	Fair	Fair	12800	45.3
December 1992	Fair	Satisfactory	Fair	Fair	12800	45.3
August 1991	Poor	Poor	Fair	Fair	9900	42.7

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Girder/Beam	linear ft.	2,226	2,191	0	35	0
Steel Stringer	linear ft.	17,237	17,237	0	0	0
Steel Protective Coating	sq. ft.	73,396	69,252	0	2,071	2,073
Deck
Reinforced Concrete Deck	sq. ft.	64,320	64,249	59	0	12
Wearing Surfaces	sq. ft.	26,712	0	26,710	0	2
Superstructure
Steel Truss	linear ft.	3,053	0	0	3,053	0
Steel Protective Coating	sq. ft.	129,998	122,659	0	3,669	3,670
Steel Floor Beam	linear ft.	2,150	2,150	0	0	0
Steel Protective Coating	sq. ft.	9,154	8,637	0	258	259
Reinforced Concrete Floor Beam	linear ft.	4,426	4,377	0	49	0
Steel Gusset Plate	each	312	284	0	28	0
Substructure
Reinforced Concrete Column	each	46	41	2	3	0
Reinforced Concrete Abutment	linear ft.	50	40	0	10	0
Reinforced Concrete Pile Cap/Footing	linear ft.	4	4	0	0	0
Reinforced Concrete Pile	each	14	14	0	0	0
Reinforced Concrete Pier Cap	linear ft.	1,800	1,700	25	75	0
Joints
Strip Seal Joint	linear ft.	216	0	216	0	0
Pourable Joint	linear ft.	240	0	240	0	0
Compression Joint	linear ft.	264	0	216	48	0
Open Joint	linear ft.	264	0	264	0	0
Bearings
Elastomeric Bearing	each	16	8	0	8	0
Movable Bearing	each	30	30	0	0	0
Fixed Bearing	each	16	8	0	8	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	5,360	5,312	0	48	0