MASON AVE over SR 118


+34.26667, -118.57833
34°16'00" N, 118°34'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:MASON AVE over SR 118
Structure number:53 2499
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:136.2 ft. [41.5 m]
Total length:258.9 ft. [78.9 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:22°
Owner:State Highway Agency [01]
Year built:1980
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:2
Main spans material:Prestressed concrete continuous [6]
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: May 2014 

Status:Open, no restriction [A]
Average daily traffic:1,000 [as of 1998]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:93.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201493.5Functionally obsoleteSatisfactoryVery GoodGood1000
May 201293.5Functionally obsoleteGoodVery GoodGood1000
October 201093.5Functionally obsoleteGoodVery GoodGood1000
May 200893.5Functionally obsoleteGoodVery GoodGood1000
June 200693.5Functionally obsoleteGoodVery GoodGood1000
December 200493.5Functionally obsoleteGoodVery GoodGood1000
January 200394.0Functionally obsoleteGoodVery GoodGood-
February 200198.0Not deficientGoodVery GoodGood-
December 199898.0Not deficientGoodVery GoodGood-
January 199798.0Not deficientGoodVery GoodGood-
January 199598.0Not deficientVery GoodVery GoodVery Good-
January 199498.0Not deficientVery GoodVery GoodVery Good-
January 199398.0Not deficientVery GoodVery GoodVery Good-
April 199198.0Not deficientVery GoodVery GoodVery Good-