US 97 over COLUMBIA RIVER

Map

Coordinates:
+47.81291, -119.97194
47°48'46" N, 119°58'19" W

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

Name:	US 97 over COLUMBIA RIVER
Structure number:	0006835A0000000
Location:	21.8 N JCT US 2
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	520.0 ft. `[158.5 m]`
Total length:	1227.1 ft. `[374.0 m]`
Roadway width between curbs:	25.9 ft. `[7.9 m]`
Deck width edge-to-edge:	32.8 ft. `[10.0 m]`
Vertical clearance above deck:	16.1 ft. `[4.9 m]`
Vertical clearance below bridge:	29.5 ft. `[9.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1962
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Arch - Thru `[12]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	4,916 `[as of 2012]`
Truck traffic:	22% of total traffic
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
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:	43.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$16,687,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2017	Poor	Poor	Satisfactory	Good	4916	43.6
September 2015	Poor	Poor	Satisfactory	Good	4916	43.3
September 2013	Fair	Fair	Satisfactory	Good	4916	45.3
September 2011	Fair	Fair	Satisfactory	Fair	4987	44.5
September 2009	Fair	Satisfactory	Satisfactory	Fair	4497	45.5
August 2007	Fair	Satisfactory	Satisfactory	Fair	2147	45.5
August 2005	Fair	Good	Satisfactory	Fair	2147	45.5
October 2003	Fair	Good	Satisfactory	Fair	2147	45.5
September 2001	Fair	Satisfactory	Satisfactory	Fair	2147	45.5
September 1999	Fair	Satisfactory	Satisfactory	Fair	2147	46.5
September 1997	Fair	Satisfactory	Satisfactory	Fair	2147	46.5
October 1995	Fair	Satisfactory	Satisfactory	Good	2147	53.4
September 1993	Good	Good	Good	Good	4100	53.4
September 1991	Fair	Satisfactory	Good	Good	1220	63.0

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 Closed Web/Box Girder	linear ft.	180	180	0	0	0
Steel Stringer	linear ft.	4,188	4,184	4	0	0
Steel Protective Coating	sq. ft.	22,238	6,671	0	2,223	13,344
Deck
Reinforced Concrete Deck	sq. ft.	31,902	30,684	1,207	0	11
Superstructure
Steel Truss	linear ft.	1,040	688	64	288	0
Steel Protective Coating	sq. ft.	55,224	16,567	0	5,522	33,135
Steel Arch	linear ft.	2,094	1,966	0	128	0
Steel Protective Coating	sq. ft.	111,191	33,357	0	11,119	66,715
Steel Secondary Cable	each	30	29	0	1	0
Steel Floor Beam	linear ft.	1,082	1,082	0	0	0
Steel Protective Coating	sq. ft.	5,745	1,723	0	574	3,448
Steel Pin or Pin & Hangar Assembly	each	8	5	2	1	0
Steel Gusset Plate	each	158	155	0	3	0
Substructure
Reinforced Concrete Column	each	4	4	0	0	0
Reinforced Concrete Pier Wall	linear ft.	120	118	0	2	0
Reinforced Concrete Abutment	linear ft.	94	93	0	1	0
Reinforced Concrete Pile Cap/Footing	linear ft.	2	2	0	0	0
Reinforced Concrete Pier Cap	linear ft.	98	96	0	2	0
Joints
Pourable Joint	linear ft.	52	0	26	0	26
Open Joint	linear ft.	806	0	650	78	78
Assembly without Seal Joint	linear ft.	52	0	0	52	0
Bearings
Movable Bearing	each	2	2	0	0	0
Fixed Bearing	each	2	1	0	1	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	2,454	2,422	0	0	32