SR 525 over POSSESSION SOUND

Map

Coordinates:
+47.97500, -122.34833
47°58'30" N, 122°20'54" W

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

Name:	SR 525 over POSSESSION SOUND
Structure number:	0004101A0000000
Location:	1.9 N JCT SR 526
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Tolls:	Yes `[1]`
Length of largest span:	80.1 ft. `[24.4 m]`
Total length:	105.0 ft. `[32.0 m]`
Roadway width between curbs:	20.0 ft. `[6.1 m]`
Deck width edge-to-edge:	24.0 ft. `[7.3 m]`
Vertical clearance above deck:	16.1 ft. `[4.9 m]`
Owner:	State Highway Agency `[01]`
Year built:	1987
Year reconstructed:	2000
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Steel `[3]`
Main span design:	Movable - Lift `[15]`
Deck type:	Closed Grating `[4]`
Wearing surface:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	12,000 `[as of 2010]`
Truck traffic:	5% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Good `[7 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]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	48.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$1,008,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Fair	Good	Fair	Good	12000	48.0
June 2015	Fair	Good	Fair	Very Good	12000	47.9
June 2013	Fair	Good	Fair	Very Good	12000	47.9
June 2011	Fair	Very Good	Fair	Very Good	12000	47.9
June 2010	Fair	Very Good	Satisfactory	Very Good	6127	76.0
June 2008	Fair	Very Good	Satisfactory	Very Good	6127	76.0
June 2006	Fair	Very Good	Satisfactory	Very Good	6800	76.0
August 2005	Fair	Very Good	Satisfactory	Good	5980	74.6
April 2003	Fair	Very Good	Very Good	Satisfactory	5980	74.6
June 2001	Fair	Satisfactory	Fair	Satisfactory	5980	63.6
August 2000	Fair	Satisfactory	Fair	Satisfactory	5980	63.6
April 1999	Fair	Satisfactory	Fair	Satisfactory	5980	61.6
May 1998	Fair	Satisfactory	Fair	Satisfactory	5980	61.6
March 1997	Fair	Satisfactory	Fair	Satisfactory	5980	61.6
April 1996	Fair	Satisfactory	Fair	Satisfactory	5980	61.6
April 1994	Fair	Satisfactory	Fair	Satisfactory	3808	45.5

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.	180	178	0	2	0
Steel Protective Coating	sq. ft.	806	749	50	5	2
Steel Stringer	linear ft.	450	450	0	0	0
Steel Protective Coating	sq. ft.	2,015	1,874	126	14	1
Steel Floor Beam	linear ft.	272	254	0	18	0
Steel Protective Coating	sq. ft.	1,218	1,133	76	8	1
Steel Pin or Pin & Hangar Assembly	each	6	6	0	0	0
Substructure
Steel Pile	each	20	20	0	0	0
Steel Protective Coating	sq. ft.	89	83	5	0	1
Reinforced Concrete Pier Cap	linear ft.	24	24	0	0	0
Deck
Concrete Filled Grid Deck	sq. ft.	1,800	1,710	0	90	0
Wearing Surfaces	sq. ft.	1,800	0	1,796	0	4
Joints
Compression Joint	linear ft.	20	0	0	20	0
Assembly without Seal Joint	linear ft.	20	0	20	0	0
Bearings
Fixed Bearing	each	2	2	0	0	0