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