HYPERION AVE over Riverside Drive


+34.11183, -118.26816
34°06'43" N, 118°16'05" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HYPERION AVE over Riverside Drive
Structure number:53C1882
Location:0.05 MI W/O FWY 5
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:134.8 ft. [41.1 m]
Total length:518.4 ft. [158.0 m]
Roadway width between curbs:55.4 ft. [16.9 m]
Deck width edge-to-edge:63.3 ft. [19.3 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:20°
Owner:City or Municipal Highway Agency [04]
Year built:1929
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35,874 [as of 2008]
Truck traffic:4% of total traffic
Deck condition:Fair [5 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:61.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016FairFairFairFair3587461.5
July 2014FairSatisfactoryGoodGood3587474.8
July 2012PoorPoorSatisfactorySatisfactory3587471.5
October 2010PoorPoorSatisfactorySatisfactory3587471.5
July 2008PoorPoorSatisfactorySatisfactory3587471.5
September 2006FairGoodGoodSatisfactory3587474.8
December 2004FairGoodGoodSatisfactory3587474.8
September 1999FairGoodGoodSatisfactory3070075.7
November 1997FairGoodGoodSatisfactory3070075.7
September 1994GoodVery GoodVery GoodGood3070075.3
July 1991GoodVery GoodVery GoodGood3070075.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Decksq. ft.79426453000
Wearing Surfacessq. ft.1,588818707000
Reinforced Concrete Archlinear ft.3202556500
Reinforced Concrete Pier Walllinear ft.45252000
Reinforced Concrete Abutmentlinear ft.45301500
Reinforced Concrete Pileeach11000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3443093500