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STATE ROUTE 160 over THREE MILE SLOUGH

Map

Coordinates:
+38.10513, -121.70156
38°06'18" N, 121°42'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STATE ROUTE 160 over THREE MILE SLOUGH
Structure number:24 0121
Location:03-SAC-160-L6.98
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:174.9 ft. [53.3 m]
Total length:749.1 ft. [228.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:108.3 ft. [33.0 m]
Owner:State Highway Agency [01]
Year built:1949
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Open Grating [3]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,300 [as of 2009]
Truck traffic:7% 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:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:45.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairGoodGoodFair1430045.2
April 2016PoorGoodPoorFair1430039.0
May 2014PoorSatisfactoryPoorGood1430039.0
April 2012PoorPoorPoorGood1430034.1
April 2010PoorPoorPoorGood973034.1
August 2008PoorCriticalPoorGood973032.1
June 2006PoorFairPoorGood973038.0
September 2005PoorFairPoorGood973038.0
October 2003PoorFairPoorGood973038.0
August 2001PoorGoodCriticalGood97307.0
September 1999PoorFairCriticalGood97306.0
July 1997PoorFairPoorGood973038.0
May 1995GoodGoodVery GoodVery Good430058.3
June 1993GoodGoodVery GoodVery Good1000058.3
October 1991GoodGoodVery GoodVery Good1000058.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.1,6431,643000
Steel Protective Coatingsq. ft.2,3372,337000
Deck
Reinforced Concrete Decksq. ft.1,8551,79148160
Wearing Surfacessq. ft.1,8551,8250300
Superstructure
Steel Trusslinear ft.448442060
Steel Protective Coatingsq. ft.3,5953,595000
Steel Floor Beamlinear ft.472472000
Steel Protective Coatingsq. ft.1,2951,295000
Substructure
Reinforced Concrete Columneach80800
Reinforced Concrete Pier Walllinear ft.5605600
Reinforced Concrete Abutmentlinear ft.61332800
Reinforced Concrete Pile Cap/Footinglinear ft.2802800
Steel Pileeach11000
Reinforced Concrete Pileeach11000
Timber Pileeach11000
Deck
Open Grid Decksq. ft.565565000
Joints
Pourable Jointlinear ft.128128000
Other Jointlinear ft.6262000
Bearings
Pot Bearingeach1200120
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.455455000