SR 536 over SKAGIT RIVER

Map

Coordinates:
+48.42167, -122.34133
48°25'18" N, 122°20'29" W

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

Name:	SR 536 over SKAGIT RIVER
Structure number:	0004400A0000000
Location:	4.7 E JCT SR 20
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	160.1 ft. `[48.8 m]`
Total length:	674.9 ft. `[205.7 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	34.8 ft. `[10.6 m]`
Vertical clearance above deck:	15.1 ft. `[4.6 m]`
Vertical clearance below bridge:	9.8 ft. `[3.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1953
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:	2
Main spans material:	Steel continuous `[4]`
Main spans design:	Movable - Swing `[17]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	19,045 `[as of 2012]`
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Good `[7 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 desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Pier/abutment protection:	In place but in a deteriorated condition `[3]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	59.3
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$8,100,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Fair	Satisfactory	Satisfactory	Good	19045	59.3
June 2015	Fair	Satisfactory	Satisfactory	Good	19045	59.0
June 2013	Fair	Satisfactory	Satisfactory	Good	19045	57.2
June 2011	Fair	Satisfactory	Satisfactory	Good	21941	54.9
October 2009	Poor	Serious	Satisfactory	Good	21484	53.9
May 2007	Fair	Fair	Satisfactory	Good	19928	59.2
July 2005	Fair	Satisfactory	Satisfactory	Good	19928	58.4
July 2004	Fair	Satisfactory	Satisfactory	Good	19928	58.4
November 2003	Fair	Satisfactory	Satisfactory	Good	19928	53.6
December 2002	Fair	Satisfactory	Satisfactory	Good	19928	53.6
August 2001	Fair	Satisfactory	Satisfactory	Good	19928	57.4
November 2000	Fair	Satisfactory	Satisfactory	Good	19928	57.4
June 1999	Fair	Satisfactory	Satisfactory	Good	19928	54.0
April 1997	Fair	Satisfactory	Satisfactory	Good	19928	54.0
February 1996	Fair	Satisfactory	Satisfactory	Good	19928	54.0
December 1994	Fair	Satisfactory	Satisfactory	Good	19928	54.0
June 1993	Fair	Satisfactory	Satisfactory	Good	17250	54.6
June 1992	Poor	Serious	Satisfactory	Good	17250	49.0