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SE DEARDORF RD over B-91 OVER JOHNSON CREEK

Map 

Coordinates:
+45.47220, -122.52388
45°28'20" N, 122°31'26" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SE DEARDORF RD over B-91 OVER JOHNSON CREEK
Structure number:51C05 000 00001
Location:SE DEARDORF RD COVERED BR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:63.0 ft. [19.2 m]
Total length:65.9 ft. [20.1 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Owner:City or Municipal Highway Agency [04]
Year built:1982
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,476 [as of 2010]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:44.9 tons [40.8 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:74.8

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201674.8FairGoodGoodSatisfactoryFO1476
July 201463.7FairSatisfactoryGoodFairFO1476
July 201277.8FairSatisfactoryGoodGood-1476
August 201077.8FairSatisfactoryGoodGood-1476
January 200977.8FairSatisfactoryVery GoodGood-1476
September 200677.8FairSatisfactoryVery GoodGood-1418
September 200477.7GoodGoodVery GoodVery Good-1418
September 200277.7GoodGoodVery GoodVery Good-1377
September 200077.7GoodVery GoodVery GoodVery Good-1350
February 199977.7GoodExcellentVery GoodVery Good-1350
March 199777.1GoodExcellentVery GoodVery Good-1280
April 199574.7GoodExcellentVery GoodVery GoodFO2200
May 199375.3GoodExcellentVery GoodVery GoodFO2200
June 199177.2GoodExcellentExcellentVery GoodFO2200