SR 397 over COLUMBIA RIVER
Map
Coordinates:
+46.21463, -119.1067646°12'53" N, 119°06'24" W
Facts
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] |
Latest Available Inspection: May 2018
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 |
Previous Inspections
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 |
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 |
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 |