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GRAYSON ROAD over LAIRD SLOUGH

Map

Coordinates:
+37.56258, -121.15283
37°33'45" N, 121°09'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:GRAYSON ROAD over LAIRD SLOUGH
Structure number:38C0027
Location:3.1 MI N/E STATE ROUTE 33
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:60.0 ft. [18.3 m]
Total length:408.2 ft. [124.4 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Owner:County Highway Agency [02]
Year built:1962
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:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,937 [as of 2011]
Truck traffic:13% 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:78.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodGoodFair493778.5
September 2015GoodVery GoodVery GoodGood481790.8
September 2013GoodGoodGoodGood481790.8
September 2011GoodGoodGoodGood481790.8
September 2009GoodGoodGoodGood148896.8
August 2005GoodGoodGoodGood148896.8
September 2003GoodGoodGoodGood148896.8
September 2001GoodGoodGoodGood148896.8
October 1999GoodGoodGoodGood148896.8
August 1999GoodGoodGoodGood148896.8
January 1996GoodGoodGoodGood148896.8
October 1993GoodGoodGoodGood148896.8
February 1990GoodGoodGoodGood148896.8