NW ALEXANDRA AVE over B-14 OVER CANYON
Map
Coordinates:
+45.54073, -122.7230045°32'27" N, 122°43'23" W
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 |