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HAWTHORNE BRIDGE over WATER AVE TO THE RIVER

Map 

Coordinates:
+45.51221, -122.66580
45°30'44" N, 122°39'57" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HAWTHORNE BRIDGE over WATER AVE TO THE RIVER
Structure number:02757F
Location:WILLAMETTE RIV MP 13.2
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:89.9 ft. [27.4 m]
Total length:548.9 ft. [167.3 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Owner:County Highway Agency [02]
Year built:1992
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:12
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: March 2015 

Status:Open, no restriction [A]
Average daily traffic:25,866 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:41.9 tons [38.1 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Sufficiency rating:55.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201555.8Not deficientSatisfactoryGoodFair25866
March 201355.8Not deficientGoodGoodFair25866
March 201166.6Not deficientGoodGoodGood25866
February 200964.8Not deficientGoodGoodGood25866
July 200676.6Not deficientGoodGoodGood24864
October 200476.6Not deficientGoodGoodVery Good24864
August 200276.8Not deficientGoodGoodVery Good24140
July 200076.9Not deficientGoodVery GoodVery Good23437
July 199879.6Not deficientGoodVery GoodVery Good8154
July 199679.6Not deficientGoodVery GoodVery Good8154