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GREENSTONE ROAD over SLATE CREEK

Map

Coordinates:
+38.68182, -120.88782
38°40'55" N, 120°53'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GREENSTONE ROAD over SLATE CREEK
Structure number:25C0087
Location:0.5 MI N OF MOTHER LODE R
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:29.5 ft. [9.0 m]
Total length:32.2 ft. [9.8 m]
Roadway width between curbs:19.4 ft. [5.9 m]
Deck width edge-to-edge:24.3 ft. [7.4 m]
Owner:County Highway Agency [02]
Year built:1925
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Concrete [1]
Main span design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,284 [as of 2012]
Truck traffic:5% 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: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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:46.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairGoodGoodFair128446.1
July 2016FairGoodGoodFair128446.1
July 2014GoodGoodGoodGood128454.2
July 2012FairSatisfactoryGoodFair128446.1
January 2011FairSatisfactoryGoodGood100054.7
July 2008FairSatisfactoryGoodGood100054.7
August 2006FairSatisfactoryGoodGood100054.7
April 2004FairSatisfactoryGoodGood100054.7
March 2002FairSatisfactoryGoodSatisfactory74851.7
April 2000FairSatisfactoryGoodSatisfactory74855.8
September 1997FairSatisfactoryGoodSatisfactory74855.8
August 1995FairFairFairSatisfactory74846.5
August 1993FairFairFairSatisfactory74848.4
October 1991FairFairFairSatisfactory50048.5