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SISKIYOU AVE over INTERSTATE 5

Map

Coordinates:
+41.22500, -122.27500
41°13'30" N, 122°16'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SISKIYOU AVE over INTERSTATE 5
Structure number:02 0097
Location:02-SIS-005-2.92-DMR
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:89.9 ft. [27.4 m]
Total length:250.0 ft. [76.2 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:14°
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,400 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:74.1 tons [67.4 metric tons]
Inventory rating:44.6 tons [40.5 metric tons]
Sufficiency rating:77.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201677.7FairGoodFairFair-1400
August 201489.2FairGoodSatisfactorySatisfactory-1100
July 201289.2FairSatisfactorySatisfactorySatisfactory-1100
August 201089.2FairSatisfactorySatisfactoryGood-1100
July 200889.2FairSatisfactorySatisfactoryGood-1100
August 200689.2FairSatisfactorySatisfactoryGood-1100
July 200489.2FairSatisfactorySatisfactoryGood-1100
July 200295.0FairSatisfactorySatisfactoryGood--
August 200195.0FairSatisfactorySatisfactoryGood--
July 199895.0FairGoodSatisfactoryGood--
August 199695.0FairGoodSatisfactoryGood--
May 199442.0FairSatisfactorySatisfactoryGood--
June 199243.0FairSatisfactorySatisfactoryGood--