+34.11167, -118.26500
34°06'42" N, 118°15'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:HYPERION AVE over I-5
Structure number:53 1069
Purpose:Carries highway overpass over highway
Route classification:Local (Urban) [19]
Length of largest span:134.8 ft. [41.1 m]
Total length:159.1 ft. [48.5 m]
Roadway width between curbs:55.4 ft. [16.9 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:99°
Owner:City or Municipal Highway Agency [04]
Year built:1928
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 18 / H 20 [4]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016 

Status:Open, no restriction [A]
Average daily traffic:15,400 [as of 1998]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:89.8 tons [81.6 metric tons]
Inventory rating:53.8 tons [48.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:65.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,722,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201665.6Functionally obsoleteGoodGoodFair15400
October 201475.2Functionally obsoleteVery GoodGoodGood15400
October 201275.2Functionally obsoleteSatisfactoryGoodGood15400
January 201175.2Functionally obsoleteSatisfactoryGoodGood15400
October 200875.2Functionally obsoleteSatisfactoryGoodGood15400
January 200775.2Functionally obsoleteSatisfactoryGoodGood15400
May 200575.2Functionally obsoleteSatisfactoryGoodGood15400
March 200375.2Functionally obsoleteSatisfactoryGoodGood15400
April 200190.7Functionally obsoleteSatisfactoryGoodGood15400
February 200090.7Functionally obsoleteSatisfactoryGoodGood15400
May 199790.7Functionally obsoleteSatisfactoryGoodGood15400
March 199589.5Functionally obsoleteFairSatisfactoryGood15400
February 199389.5Functionally obsoleteFairSatisfactoryGood15400
March 198988.0Functionally obsoleteFairSatisfactoryGood24735