SR 304 over SINCLAIR INLET

Map

Coordinates:
+47.56215, -122.62482
47°33'44" N, 122°37'29" W

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

Name:	SR 304 over SINCLAIR INLET
Structure number:	0006825A0000000
Location:	0.4 E JCT SR 303
Purpose:	Carries highway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Tolls:	Yes `[1]`
Length of largest span:	89.9 ft. `[27.4 m]`
Total length:	105.0 ft. `[32.0 m]`
Roadway width between curbs:	19.4 ft. `[5.9 m]`
Deck width edge-to-edge:	21.3 ft. `[6.5 m]`
Vertical clearance above deck:	16.1 ft. `[4.9 m]`
Owner:	State Highway Agency `[01]`
Year built:	1961
Year reconstructed:	1997
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	560 `[as of 2010]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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:	57.4
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
May 2017	Fair	Good	Satisfactory	Satisfactory	560	57.4
May 2015	Fair	Good	Fair	Satisfactory	560	47.2
May 2013	Fair	Good	Fair	Satisfactory	560	47.2
May 2011	Fair	Good	Fair	Satisfactory	560	58.7
May 2009	Fair	Good	Fair	Satisfactory	1102	58.7
July 2007	Poor	Fair	Poor	Satisfactory	100	58.9
April 2006	Poor	Fair	Poor	Satisfactory	1	58.9
April 2005	Poor	Fair	Poor	Satisfactory	1	58.9
March 2004	Poor	Fair	Poor	Satisfactory	1	58.9
March 2003	Poor	Satisfactory	Poor	Satisfactory	1	57.9
August 2001	Poor	Satisfactory	Poor	Good	1	57.9
July 2000	Poor	Satisfactory	Poor	Good	1	57.9
March 1999	Poor	Satisfactory	Poor	Good	1	55.9
March 1998	Poor	Satisfactory	Poor	Good	1	55.9
March 1997	Poor	Satisfactory	Poor	Good	1	55.9
March 1996	Poor	Satisfactory	Poor	Good	1	50.9
March 1994	Poor	Satisfactory	Serious	Good	4474	31.6

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Stringer	linear ft.	990	970	0	20	0
Steel Protective Coating	sq. ft.	7,562	7,057	150	354	1
Steel Truss	linear ft.	180	72	0	108	0
Steel Protective Coating	sq. ft.	13,749	12,832	273	643	1
Steel Floor Beam	linear ft.	162	107	30	25	0
Steel Protective Coating	sq. ft.	1,237	1,154	24	57	2
Steel Pin or Pin & Hangar Assembly	each	4	4	0	0	0
Substructure
Steel Pile	each	12	0	0	12	0
Steel Protective Coating	sq. ft.	91	85	1	4	1
Prestressed Concrete Pile	each	7	7	0	0	0
Reinforced Concrete Pier Cap	linear ft.	30	30	0	0	0
Joints
Assembly without Seal Joint	linear ft.	40	0	20	0	20
Deck
Timber Deck	sq. ft.	1,800	1,800	0	0	0
Wearing Surfaces	sq. ft.	1,800	0	1,800	0	0
Bearings
Fixed Bearing	each	3	0	0	3	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	30	30	0	0	0
Timber Bridge Rail	linear ft.	180	180	0	0	0