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US 101 over HAMMA HAMMA RIVER

Mason County, Washington

Map

Coordinates:
+47.54889, -123.04389
47°32'56" N, 123°02'38" W

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Facts

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

Name:	US 101 over HAMMA HAMMA RIVER
Structure number:	0000734A0000000
Location:	5.1 S JEFFERSON CO
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	149.9 ft. `[45.7 m]`
Total length:	152.9 ft. `[46.6 m]`
Roadway width between curbs:	20.0 ft. `[6.1 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Vertical clearance above deck:	15.7 ft. `[4.8 m]`
Vertical clearance below bridge:	3.3 ft. `[1.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1924
Historic significance:	Bridge is on the National Register of Historic Places `[1]`
Main span material:	Concrete `[1]`
Main span design:	Arch - Thru `[12]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	2,275 `[as of 2016]`
Truck traffic:	21% of total traffic
Deck condition:	Satisfactory `[6 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]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	51.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$1,958,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2018	Fair	Satisfactory	Satisfactory	Satisfactory	2275	51.6
June 2016	Fair	Satisfactory	Satisfactory	Satisfactory	2083	52.1
June 2014	Fair	Satisfactory	Satisfactory	Satisfactory	2083	52.1
June 2012	Fair	Satisfactory	Satisfactory	Satisfactory	2215	51.5
June 2010	Fair	Satisfactory	Fair	Satisfactory	2162	42.5
September 2008	Fair	Satisfactory	Fair	Satisfactory	2162	42.5
July 2006	Fair	Satisfactory	Fair	Satisfactory	1813	44.5
October 2004	Fair	Satisfactory	Fair	Satisfactory	1813	44.5
July 2002	Fair	Satisfactory	Fair	Satisfactory	1813	44.5
March 2000	Fair	Satisfactory	Fair	Satisfactory	1796	44.6
May 1998	Fair	Satisfactory	Satisfactory	Good	1796	51.5
April 1996	Fair	Satisfactory	Satisfactory	Good	1796	47.8
July 1994	Fair	Satisfactory	Good	Good	1796	47.8
October 1992	Fair	Satisfactory	Good	Good	4600	44.5
April 1990	Fair	Satisfactory	Good	Good	4600	44.5

Element Data

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 Stringer	linear ft.	616	613	3	0	0
Deck
Reinforced Concrete Deck	sq. ft.	3,080	3,070	10	0	0
Wearing Surfaces	sq. ft.	3,080	0	3,080	0	0
Superstructure
Reinforced Concrete Arch	linear ft.	308	288	14	6	0
Reinforced Concrete Floor Beam	linear ft.	484	459	23	2	0
Substructure
Reinforced Concrete Abutment	linear ft.	128	128	0	0	0
Joints
Open Joint	linear ft.	132	0	132	0	0
Bearings
Enclosed/Concealed Bearing	each	6	6	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	388	388	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	388	381	6	1	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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