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SCAPPOOSE-VERNONIA over CROWN Z ROAD

Columbia County, Oregon

Map

Coordinates:
+45.83222, -123.04654
45°49'56" N, 123°02'48" W

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Facts

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

Name:	SCAPPOOSE-VERNONIA over CROWN Z ROAD
Structure number:	09C18 306900835
Location:	047 M W SPITZENBURG
Purpose:	Carries highway over highway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	24.9 ft. `[7.6 m]`
Total length:	75.1 ft. `[22.9 m]`
Roadway width between curbs:	25.9 ft. `[7.9 m]`
Deck width edge-to-edge:	28.9 ft. `[8.8 m]`
Vertical clearance below bridge:	23.0 ft. `[7.0 m]`
Owner:	County Highway Agency `[02]`
Year built:	1963
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Slab `[01]`
Deck type:	Other `[9]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	496 `[as of 2010]`
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	58.6
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$384,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Poor	Satisfactory	Satisfactory	Poor	496	58.6
May 2017	Poor	Satisfactory	Satisfactory	Poor	496	58.6
May 2015	Fair	Satisfactory	Good	Satisfactory	496	86.3
May 2013	Fair	Good	Good	Satisfactory	496	86.3
May 2011	Good	Good	Good	Good	496	86.3
May 2009	Good	Good	Good	Good	496	86.3
November 2008	Good	Good	Good	Good	496	86.2
September 2006	Good	Good	Good	Good	477	86.3
September 2004	Good	Good	Good	Good	477	86.3
September 2002	Good	Good	Good	Good	464	86.3
September 2000	Good	Good	Good	Good	450	86.3
August 1998	Good	Good	Good	Good	450	86.3
May 1996	Good	Good	Good	Good	450	86.3
April 1994	Good	Good	Good	Good	450	85.8
March 1992	Good	Good	Good	Good	450	85.8
January 1990	Good	Good	Very Good	Good	400	85.9

Element Data

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Deck
Prestressed Concrete Deck	sq. ft.	2,175	1,800	75	300	0
Wearing Surfaces	sq. ft.	2,175	0	2,105	70	0
Substructure
Reinforced Concrete Abutment	linear ft.	66	61	5	0	0
Timber Pile	each	18	10	6	0	2
Reinforced Concrete Pier Cap	linear ft.	58	43	0	15	0
Joints
Other Joint	linear ft.	116	0	116	0	0
Bearings
Elastomeric Bearing	each	72	72	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	150	74	75	0	1
Steel Protective Coating	sq. ft.	930	425	465	0	40

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