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NE 138TH AVE over B-086 X COLUMBIA SLOUGH

Map 

Coordinates:
+45.56027, -122.52113
45°33'37" N, 122°31'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NE 138TH AVE over B-086 X COLUMBIA SLOUGH
Structure number:18396 000000000
Location:00.3 MI N OF SANDY BLVD
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:98.1 ft. [29.9 m]
Total length:100.1 ft. [30.5 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:59.1 ft. [18.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:2000
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:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:9,391 [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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:94.8 tons [86.2 metric tons]
Inventory rating:56.9 tons [51.7 metric tons]
Sufficiency rating:96.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201496.7Not deficientGoodGoodGood9391
July 201296.7Not deficientGoodGoodGood9391
August 201096.7Not deficientGoodGoodGood9391
October 200896.7Not deficientGoodVery GoodVery Good9391
June 200698.7Not deficientVery GoodVery GoodVery Good9027
September 200496.7Not deficientVery GoodVery GoodVery Good9027
July 200277.4Not deficientVery GoodVery GoodVery Good8765
July 200079.5Not deficientVery GoodVery GoodVery Good8510