CONN 8(5TH ONRAMP) over HWY 61


+45.50740, -122.68357
45°30'27" N, 122°41'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CONN 8(5TH ONRAMP) over HWY 61
Structure number:09156 061C00060
Location:0.2 MI S OF SW PARK
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:111.6 ft. [34.0 m]
Total length:279.2 ft. [85.1 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:44°
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:125,300 [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:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:80.9 tons [73.5 metric tons]
Inventory rating:49.0 tons [44.5 metric tons]
Sufficiency rating:80.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201580.0Not deficientSatisfactorySatisfactoryGood125300
July 201393.8Not deficientSatisfactorySatisfactoryGood3514
July 201193.8Not deficientSatisfactorySatisfactoryGood3514
May 201093.8Not deficientSatisfactorySatisfactoryGood3514
May 200894.7Not deficientSatisfactorySatisfactoryGood3514
May 200697.7Not deficientSatisfactorySatisfactoryGood3378
May 200486.6Not deficientSatisfactoryFairGood3378
March 200299.7Not deficientSatisfactoryGoodGood3280
March 200094.5Not deficientSatisfactoryGoodGood15300
20000.0Not applicable---71000
March 199896.6Not deficientSatisfactoryGoodVery Good15300
March 199696.9Not deficientSatisfactoryGoodVery Good15300
March 199496.9Not deficientSatisfactoryGoodVery Good15300
March 199296.9Not deficientSatisfactoryGoodVery Good15300
March 199096.9Not deficientGoodGoodVery Good14200