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NW MAYWOOD DR over B-18 SEMI-VIADUCT

Map 

Coordinates:
+45.52747, -122.70644
45°31'39" N, 122°42'23" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NW MAYWOOD DR over B-18 SEMI-VIADUCT
Structure number:25B18 000
Location:AT NW MELINDA AVE
Route classification:Local (Urban) [19]
Length of largest span:13.1 ft. [4.0 m]
Total length:110.9 ft. [33.8 m]
Roadway width between curbs:23.6 ft. [7.2 m]
Deck width edge-to-edge:15.4 ft. [4.7 m]
Owner:City or Municipal Highway Agency [04]
Year built:1934
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:9
Main spans material:Concrete continuous [2]
Main spans design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2015 

Status:Posted for load [P]
Average daily traffic:563 [as of 2010]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:28.9 tons [26.3 metric tons]
Inventory rating:16.9 tons [15.4 metric tons]
Sufficiency rating:59.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201559.6Not deficientGoodSatisfactoryGood563
September 201459.6Not deficientGoodSatisfactoryGood563
September 201359.6Not deficientGoodSatisfactoryGood563
September 201259.6Not deficientGoodSatisfactoryGood563
September 201159.6Not deficientGoodSatisfactoryGood563
September 201059.6Not deficientGoodSatisfactoryGood563
February 200959.7Not deficientGoodGoodGood563
July 200661.7Not deficientGoodGoodGood541
September 200461.5Not deficientGoodGoodGood541
July 200261.5Not deficientVery GoodVery GoodVery Good525
May 200061.5Not deficientVery GoodVery GoodVery Good500
April 199861.5Not deficientVery GoodVery GoodVery Good500
January 199857.8Not deficientVery GoodVery GoodVery Good500
March 199657.8Not deficientVery GoodVery GoodVery Good500
March 199457.0Not deficientVery GoodVery GoodVery Good500
April 199272.3Not deficientVery GoodGoodGood500