SR 397 over COLUMBIA RIVER

Map

Coordinates:
+46.21463, -119.10676
46°12'53" N, 119°06'24" W

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

Name:	SR 397 over COLUMBIA RIVER
Structure number:	085555000000000
Location:	0.2 N COLUMBIA DR
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	981.0 ft. `[299.0 m]`
Total length:	2503.1 ft. `[762.9 m]`
Roadway width between curbs:	60.0 ft. `[18.3 m]`
Deck width edge-to-edge:	71.9 ft. `[21.9 m]`
Vertical clearance below bridge:	45.9 ft. `[14.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1978
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	3
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Stayed girder `[14]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	16,129 `[as of 2012]`
Truck traffic:	13% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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 is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	84.1
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$67,080,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Good	Good	Good	Good	16129	84.1
May 2016	Good	Good	Good	Good	16129	84.1
May 2014	Good	Good	Good	Good	16129	84.1
May 2012	Good	Good	Good	Good	16622	84.0
May 2010	Good	Good	Good	Good	18000	83.6
June 2008	Good	Good	Good	Good	18000	83.6
May 2006	Good	Good	Good	Good	8279	78.3
May 2004	Good	Good	Good	Good	8279	78.3
May 2002	Good	Good	Good	Good	8279	84.5
August 2001	Good	Good	Good	Good	8279	84.5
May 2000	Good	Good	Good	Good	8279	84.5
June 1999	Good	Good	Good	Good	8279	84.5
May 1997	Good	Good	Good	Good	8279	72.3
November 1995	Good	Good	Good	Good	8279	82.3
October 1994	Good	Good	Good	Good	8279	82.3
December 1993	Good	Good	Good	Good	21311	78.0
November 1992	Good	Good	Good	Good	21311	78.0
September 1991	Good	Good	Very Good	Good	21311	78.0

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girder	linear ft.	4,297	4,277	20	0	0
Deck
Reinforced Concrete Deck	sq. ft.	150,180	149,071	1,109	0	0
Wearing Surfaces	sq. ft.	150,180	0	150,180	0	0
Superstructure
Steel Main Cable	linear ft.	148	106	0	42	0
Prestressed Concrete Floor Beam	linear ft.	7,134	7,128	0	6	0
Substructure
Reinforced Concrete Column	each	4	4	0	0	0
Reinforced Concrete Pier Wall	linear ft.	57	57	0	0	0
Reinforced Concrete Abutment	linear ft.	144	144	0	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	7	7	0	0	0
Reinforced Concrete Pile	each	4	4	0	0	0
Joints
Compression Joint	linear ft.	60	0	60	0	0
Assembly with Seal	each	60	0	0	60	0
Bearings
Movable Bearing	each	22	19	0	3	0
Fixed Bearing	each	1	1	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	5,006	5,006	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	2,503	2,503	0	0	0