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NW ALEXANDRA AVE over B-14 OVER CANYON

Multnomah County, Oregon

Map

Coordinates:
+45.54073, -122.72300
45°32'27" N, 122°43'23" W

View more info at Bridgehunter.com

Facts

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

Name:	NW ALEXANDRA AVE over B-14 OVER CANYON
Structure number:	25B14 000
Location:	W END OF NW GORDON ST
Purpose:	Carries highway and pedestrian walkway over relief for waterway
Route classification:	Local (Urban) `[19]`
Length of largest span:	149.9 ft. `[45.7 m]`
Total length:	272.0 ft. `[82.9 m]`
Roadway width between curbs:	16.1 ft. `[4.9 m]`
Deck width edge-to-edge:	22.6 ft. `[6.9 m]`
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1922
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 9 / H 10 `[1]`
Main span material:	Concrete `[1]`
Main span design:	Arch - Deck `[11]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Epoxy Overlay `[5]`

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:	Fair
Status:	Posted for load `[P]`
Average daily traffic:	109 `[as of 2010]`
Truck traffic:	1% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Roadway alignment appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. `[9]`
Sufficiency rating:	47.5
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$1,394,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2018	Fair	Satisfactory	Satisfactory	Satisfactory	109	47.5
September 2016	Fair	Satisfactory	Satisfactory	Satisfactory	109	47.5
September 2015	Fair	Satisfactory	Satisfactory	Satisfactory	109	47.5
September 2013	Fair	Satisfactory	Satisfactory	Satisfactory	109	51.6
September 2011	Fair	Satisfactory	Satisfactory	Satisfactory	109	51.6
June 2009	Fair	Satisfactory	Satisfactory	Satisfactory	109	51.6
March 2009	Fair	Satisfactory	Satisfactory	Satisfactory	109	51.6
September 2006	Fair	Satisfactory	Satisfactory	Satisfactory	105	51.7
September 2004	Fair	Good	Satisfactory	Good	105	51.5
September 2002	Fair	Very Good	Satisfactory	Very Good	102	51.5
August 2000	Fair	Very Good	Satisfactory	Very Good	100	51.6
October 1998	Fair	Very Good	Satisfactory	Very Good	100	48.6
November 1996	Fair	Very Good	Satisfactory	Very Good	100	48.6
December 1994	Fair	Very Good	Satisfactory	Very Good	100	49.1
January 1993	Fair	Good	Satisfactory	Good	100	46.4
February 1991	Fair	Good	Satisfactory	Good	100	42.2

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
Reinforced Concrete Girder/Beam	linear ft.	540	0	525	15	0
Reinforced Concrete Arch	linear ft.	300	105	195	0	0
Reinforced Concrete Floor Beam	linear ft.	1,193	933	230	30	0
Substructure
Reinforced Concrete Column	each	16	0	16	0	0
Reinforced Concrete Abutment	linear ft.	109	0	109	0	0
Joints
Pourable Joint	linear ft.	45	17	28	0	0
Other Joint	linear ft.	32	0	0	32	0
Bearings
Movable Bearing	each	8	8	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	540	0	540	0	0
Steel Protective Coating	sq. ft.	3,348	0	3,348	0	0
Deck
Reinforced Concrete Slab	sq. ft.	6,100	0	6,090	10	0
Wearing Surfaces	sq. ft.	4,352	4,352	0	0	0

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