HYPERION AVE over Riverside Drive


+34.11361, -118.27028
34°06'49" N, 118°16'13" 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:22.0 ft. [6.7 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 

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]
Operating rating:89.8 tons [81.6 metric tons]
Inventory rating:53.9 tons [49.0 metric tons]
Sufficiency rating:61.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201661.5Not deficientFairFairFair35874
July 201474.8Not deficientSatisfactoryGoodGood35874
July 201271.5Structurally deficientPoorSatisfactorySatisfactory35874
October 201071.5Structurally deficientPoorSatisfactorySatisfactory35874
July 200871.5Structurally deficientPoorSatisfactorySatisfactory35874
September 200674.8Not deficientGoodGoodSatisfactory35874
December 200474.8Not deficientGoodGoodSatisfactory35874
September 199975.7Not deficientGoodGoodSatisfactory30700
November 199775.7Not deficientGoodGoodSatisfactory30700
September 199475.3Not deficientVery GoodVery GoodGood30700
July 199175.3Not deficientVery GoodVery GoodGood30700