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NE 55TH AVE over B-112 X COLUMBIA SLOUGH

Map

Coordinates:
+45.57624, -122.60645
45°34'34" N, 122°36'23" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NE 55TH AVE over B-112 X COLUMBIA SLOUGH
Structure number:25B112000000000
Location:AT N E CORNFOOT ROAD
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:44.9 ft. [13.7 m]
Total length:47.9 ft. [14.6 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Skew angle:
Owner:City or Municipal Highway Agency [04]
Year built:1989
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,103 [as of 2010]
Truck traffic:25% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:70.8 tons [64.4 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
Sufficiency rating:76.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201676.1GoodGoodGoodGood-1103
July 201476.1GoodGoodGoodGood-1103
July 201276.1GoodGoodGoodGood-1103
August 201076.1GoodGoodGoodGood-1103
November 200876.1GoodGoodGoodGood-1103
June 200679.5GoodGoodVery GoodGood-1060
September 200479.5GoodGoodVery GoodGood-1060
July 200279.8GoodVery GoodVery GoodVery Good-1030
August 200080.1GoodExcellentExcellentExcellent-1000
April 199880.1GoodExcellentExcellentExcellent-1000
August 199780.1GoodExcellentExcellentExcellent-1000
January 199684.1GoodExcellentExcellentExcellent-600
September 199586.1GoodExcellentExcellentExcellent-500
October 199386.1GoodExcellentExcellentExcellent-500
November 199187.6GoodExcellentExcellentExcellent-300