Share:

SR 12 WB over US 101 & CONNECTOR RAMPS

Map

Coordinates:
+38.43111, -122.71528
38°25'52" N, 122°42'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 12 WB over US 101 & CONNECTOR RAMPS
Structure number:20 0208L
Location:04-SON-012-R16.01-SRO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:81.0 ft. [24.7 m]
Total length:311.0 ft. [94.8 m]
Roadway width between curbs:48.9 ft. [14.9 m]
Deck width edge-to-edge:52.2 ft. [15.9 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:99°
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:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:36,500 [as of 2016]
Truck traffic:4% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:80.7 tons [73.4 metric tons]
Inventory rating:35.9 tons [32.6 metric tons]
Sufficiency rating:89.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201689.6FairFairGoodGood-36500
September 201290.6FairSatisfactoryVery GoodGood-36500
October 200891.4FairSatisfactoryVery GoodGood-31500
September 200688.2PoorPoorVery GoodGoodSD31500
September 200490.3PoorPoorVery GoodGoodSD31500
September 200293.9PoorPoorVery GoodGoodSD7150
October 200097.0FairSatisfactoryVery GoodGood-7150
January 199997.0FairSatisfactoryVery GoodGood-7150
October 199691.9FairSatisfactoryVery GoodGood-28700
October 199491.6GoodGoodGoodGood-28700
October 199292.1GoodGoodGoodGood-25100
August 199092.1GoodGoodGoodGood-25100