SR 397 over COLUMBIA RIVER

Map

Coordinates:
+46.21490, -119.10657
46°12'54" 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:	48.9 ft. `[14.9 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]`
Operating rating:	65.3 tons `[59.4 metric tons]`
Inventory rating:	38.6 tons `[35.1 metric tons]`
Sufficiency rating:	84.1

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

Source: National Bridge Elements dataset, 2016 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	150,180	0	0	0
Wearing Surfaces	sq. ft.	150,180	0	149,017	763	400
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.	2	2	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