STA RTE 101 over ROUTE 170


+34.15333, -118.37833
34°09'12" N, 118°22'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:STA RTE 101 over ROUTE 170
Structure number:53 1336R
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:109.9 ft. [33.5 m]
Total length:704.1 ft. [214.6 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1959
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:8
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: April 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:118,000 [as of 2011]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:95.2 tons [86.5 metric tons]
Inventory rating:57.4 tons [52.2 metric tons]
Sufficiency rating:82.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201682.0GoodVery GoodVery GoodVery Good-118000
March 201482.0GoodGoodGoodGood-118000
March 201282.0FairSatisfactoryGoodGood-118000
June 201082.0FairSatisfactoryGoodGood-118000
March 200882.0FairSatisfactoryGoodGood-118000
March 200682.0FairSatisfactoryGoodGood-118000
March 200482.0FairSatisfactoryGoodGood-118000
April 200282.0FairSatisfactoryGoodGood-113150
April 200082.0FairSatisfactoryGoodGood-113150
March 199683.0GoodGoodGoodGood-135850
August 199483.0GoodGoodGoodGood-135850
May 199283.0GoodGoodGoodGood-123800