SW 12TH ST over HWY 61


+45.51184, -122.68889
45°30'43" N, 122°41'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SW 12TH ST over HWY 61
Structure number:09255 061 00139
Location:0.2 MI S OF MARKET ST
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:102.4 ft. [31.2 m]
Total length:426.5 ft. [130.0 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:41.0 ft. [12.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:38°
Owner:State Highway Agency [01]
Year built:1967
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:5
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:107,500 [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:Meets minimum tolerable limits to be left in place as is [4]
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:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:52.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201552.0FairSatisfactoryFairSatisfactory-107500
July 201352.0FairSatisfactoryFairGood-97100
July 201163.0FairSatisfactorySatisfactoryGood-97100
May 201063.0FairGoodSatisfactoryGood-115600
May 200864.0FairGoodSatisfactoryGood-115600
May 200680.3FairGoodSatisfactoryGood-5459
May 200469.2FairGoodFairGood-5300
March 200268.7GoodGoodGoodGood-121680
March 200067.7GoodGoodGoodGood-93600
March 199877.8GoodGoodGoodGood-10300
March 19960.0GoodGoodGoodGood-10300
March 19940.0GoodGoodGoodGood-10300
March 19920.0FairGoodSatisfactoryGood-10300
March 19900.0GoodGoodGoodGood-9600

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.1,7062971,1332760
Reinforced Concrete Top Flangesq. ft.17,48717,35213500
Reinforced Concrete Columneach126600
Reinforced Concrete Abutmentlinear ft.9693300
Reinforced Concrete Pier Caplinear ft.2171892710
Other Jointlinear ft.2140639655
Movable Bearingeach1001000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.853085300