US 101 over DUCKABUSH RIVER

Map

Coordinates:
+47.64944, -122.93447
47°38'58" N, 122°56'04" W

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

Name:	US 101 over DUCKABUSH RIVER
Structure number:	0001764B0000000
Location:	25.1 S JCT SR 104
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	109.9 ft. `[33.5 m]`
Total length:	168.0 ft. `[51.2 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:	20.3 ft. `[6.2 m]`
Owner:	State Highway Agency `[01]`
Year built:	1934
Historic significance:	Bridge is on the National Register of Historic Places `[1]`
Design load:	M 13.5 / H 15 `[2]`
Main span material:	Concrete `[1]`
Main span design:	Arch - Thru `[12]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	2,293 `[as of 2012]`
Truck traffic:	16% of total traffic
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:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	40.8
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$2,016,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2017	Fair	Good	Satisfactory	Satisfactory	2293	40.8
April 2015	Fair	Good	Satisfactory	Satisfactory	2293	40.5
April 2013	Fair	Good	Satisfactory	Fair	2627	40.5
April 2011	Fair	Good	Satisfactory	Fair	2627	40.5
April 2009	Fair	Satisfactory	Satisfactory	Fair	2646	40.5
May 2007	Fair	Satisfactory	Satisfactory	Fair	2063	40.5
May 2005	Fair	Satisfactory	Satisfactory	Fair	2063	37.2
July 2003	Fair	Satisfactory	Satisfactory	Fair	2063	37.2
November 2001	Fair	Satisfactory	Satisfactory	Fair	2063	43.8
August 1999	Fair	Satisfactory	Satisfactory	Fair	2043	43.9
October 1997	Fair	Satisfactory	Good	Fair	2043	43.9
September 1995	Good	Good	Good	Good	2043	47.3
May 1993	Good	Good	Good	Good	2775	45.4
November 1991	Good	Good	Good	Good	2775	45.4

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.	116	116	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	4,032	4,022	0	0	10
Wearing Surfaces	sq. ft.	4,032	0	4,032	0	0
Superstructure
Reinforced Concrete Arch	linear ft.	220	198	0	22	0
Reinforced Concrete Floor Beam	linear ft.	410	410	0	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	72	72	0	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	2	2	0	0	0
Reinforced Concrete Pile	each	4	4	0	0	0
Reinforced Concrete Pier Cap	linear ft.	70	70	0	0	0
Joints
Compression Joint	linear ft.	24	0	24	0	0
Open Joint	linear ft.	48	0	48	0	0
Bearings
Movable Bearing	each	2	2	0	0	0
Fixed Bearing	each	2	2	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	336	336	0	0	0