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MASON ST over ARROYO GRANDE CREEK

Map

Coordinates:
+35.12372, -120.57606
35°07'25" N, 120°34'34" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MASON ST over ARROYO GRANDE CREEK
Structure number:49C0201
Location:0.1 MI S OF SR 227
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:120.1 ft. [36.6 m]
Total length:168.0 ft. [51.2 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1926
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,546 [as of 2010]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:49.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$804,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodFairGood554649.0
April 2015GoodGoodGoodVery Good554656.3
April 2013FairFairSatisfactoryGood554655.3
May 2011FairFairSatisfactoryGood554655.3
April 2009PoorPoorSatisfactoryGood253058.3
April 2007PoorPoorSatisfactoryGood253051.5
March 2005PoorPoorSatisfactoryGood253051.5
April 2003PoorPoorSatisfactoryGood253051.5
May 2001PoorPoorSatisfactoryGood253051.5
May 1999PoorPoorSatisfactoryGood253051.5
April 1997FairGoodSatisfactoryGood253054.5
July 1995FairFairSatisfactorySatisfactory253053.4
May 1993FairFairSatisfactorySatisfactory253062.3
May 1991FairFairSatisfactorySatisfactory253062.3