Share:

NW FRONT AVE over B-77 SEMI-VIADUCT

Map 

Coordinates:
+45.55469, -122.72250
45°33'17" N, 122°43'21" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NW FRONT AVE over B-77 SEMI-VIADUCT
Structure number:25B77 000 B-77
Location:AT POP TERMINAL 1
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:15.1 ft. [4.6 m]
Total length:220.2 ft. [67.1 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:22.0 ft. [6.7 m]
Owner:City or Municipal Highway Agency [04]
Year built:1924
Historic significance:Historical significance is not determinable at this time [4]
Number of main spans:15
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:9,601 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:52.9 tons [48.1 metric tons]
Inventory rating:31.9 tons [29.0 metric tons]
Sufficiency rating:83.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201483.0Not deficientFairFairSatisfactory9601
September 201283.0Not deficientFairFairSatisfactory9601
September 201086.0Not deficientFairFairSatisfactory9601
February 200997.0Not deficientFairSatisfactoryGood9601
September 200697.0Not deficientFairSatisfactoryGood9229
October 200496.8Not deficientGoodGoodGood9229
September 200285.8Not deficientSatisfactoryFairFair8961
May 200085.8Not deficientSatisfactoryFairFair8700
June 199888.0Not deficientSatisfactoryFairFair8700