+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 

Good/Fair/Poor Condition:Fair
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201665.6FairGoodGoodFairFO15400
October 201475.2GoodVery GoodGoodGoodFO15400
October 201275.2FairSatisfactoryGoodGoodFO15400
January 201175.2FairSatisfactoryGoodGoodFO15400
October 200875.2FairSatisfactoryGoodGoodFO15400
January 200775.2FairSatisfactoryGoodGoodFO15400
May 200575.2FairSatisfactoryGoodGoodFO15400
March 200375.2FairSatisfactoryGoodGoodFO15400
April 200190.7FairSatisfactoryGoodGoodFO15400
February 200090.7FairSatisfactoryGoodGoodFO15400
May 199790.7FairSatisfactoryGoodGoodFO15400
March 199589.5FairFairSatisfactoryGoodFO15400
February 199389.5FairFairSatisfactoryGoodFO15400
March 198988.0FairFairSatisfactoryGoodFO24735