CONN 4 over HWY 61


+45.51953, -122.68652
45°31'10" N, 122°41'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CONN 4 over HWY 61
Structure number:09249 061C00113
Location:0.1 MI S OF MORRISON ST
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.2 ft. [33.9 m]
Total length:191.0 ft. [58.2 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1968
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:2
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:100,000 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:69.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201569.0Not deficientSatisfactoryFairSatisfactory100000
July 201394.1Not deficientSatisfactorySatisfactorySatisfactory3300
July 201194.1Not deficientGoodSatisfactoryGood3300
April 201094.1Not deficientGoodSatisfactoryGood3300
April 200894.7Not deficientGoodSatisfactoryGood3300
April 200686.7Not deficientGoodFairGood3172
April 200486.7Not deficientGoodFairGood3172
March 200297.7Not deficientSatisfactoryGoodVery Good3080
March 200096.7Not deficientGoodGoodVery Good13600
March 199896.7Not deficientGoodGoodVery Good13600
March 199699.0Not deficientGoodGoodVery Good13600
March 199499.0Not deficientGoodGoodVery Good13600
March 199299.0Not deficientGoodGoodVery Good13600
March 199097.0Not deficientGoodGoodGood12700