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

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201580.0FairSatisfactorySatisfactoryGood-125300
July 201393.8FairSatisfactorySatisfactoryGood-3514
July 201193.8FairSatisfactorySatisfactoryGood-3514
May 201093.8FairSatisfactorySatisfactoryGood-3514
May 200894.7FairSatisfactorySatisfactoryGood-3514
May 200697.7FairSatisfactorySatisfactoryGood-3378
May 200486.6FairSatisfactoryFairGood-3378
March 200299.7FairSatisfactoryGoodGood-3280
March 200094.5FairSatisfactoryGoodGood-15300
March 199896.6FairSatisfactoryGoodVery Good-15300
March 199696.9FairSatisfactoryGoodVery Good-15300
March 199496.9FairSatisfactoryGoodVery Good-15300
March 199296.9FairSatisfactoryGoodVery Good-15300
March 199096.9GoodGoodGoodVery Good-14200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.8371395861120
Reinforced Concrete Top Flangesq. ft.7,5355,7425031,2900
Reinforced Concrete Columneach43100
Reinforced Concrete Abutmentlinear ft.83533000
Reinforced Concrete Pier Caplinear ft.6157400
Compression Jointlinear ft.4604600
Other Jointlinear ft.3700370
Movable Bearingeach40400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.558558000