CONN 6 over HWY 61


+45.50851, -122.68526
45°30'31" N, 122°41'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CONN 6 over HWY 61
Structure number:09159 061C00078
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:95.8 ft. [29.2 m]
Total length:259.9 ft. [79.2 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Vertical clearance above deck:21.3 ft. [6.5 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:36°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:78,500 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:26.4 tons [24.0 metric tons]
Inventory rating:20.4 tons [18.5 metric tons]
Sufficiency rating:61.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201561.1Not deficientSatisfactorySatisfactorySatisfactory78500
July 201372.4Not deficientFairSatisfactorySatisfactory6161
July 201173.5Not deficientSatisfactorySatisfactoryGood6161
May 201063.0Not deficientSatisfactoryFairGood6161
May 200883.3Not deficientSatisfactoryFairGood6161
May 200686.3Not deficientSatisfactoryFairGood5922
May 200486.3Not deficientSatisfactoryFairGood5922
March 200297.5Not deficientSatisfactoryGoodGood5750
March 200096.3Not deficientGoodGoodGood17300
20000.0Not applicable---65000
March 199898.4Not deficientGoodGoodGood17300
March 199698.7Not deficientGoodGoodGood17300
March 199498.7Not deficientGoodGoodGood17300
March 199298.7Not deficientGoodGoodGood17300
March 199096.8Not deficientGoodGoodVery Good16100