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SC 170 over CHECHESSEE RIVER

Map

Coordinates:
+32.37427, -80.83459
32°22'27" N, 80°50'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SC 170 over CHECHESSEE RIVER
Structure number:000000000002298
Old structure number:000740017000100 (from 1992 edition)
Location:10MI SW OF BEAUFORT
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:147.0 ft. [44.8 m]
Total length:1852.1 ft. [564.5 m]
Roadway width between curbs:78.1 ft. [23.8 m]
Deck width edge-to-edge:81.0 ft. [24.7 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:2004
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:11
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:27,300 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present minimum criteria [6]
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:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:83.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairFairGoodGood2730083.8
March 2016FairFairGoodGood2500083.8
March 2014FairFairGoodGood2220084.0
March 2012FairFairGoodGood2100084.0
April 2010FairFairGoodGood2040084.0
July 2008FairFairGoodGood2030084.0
November 2006FairFairFairGood1820073.0
April 2004FairFairFairGood1780073.0
July 1998GoodVery GoodGoodGood1530061.1
September 1990GoodVery GoodGoodVery Good856460.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.11,61711,617000
Deck
Reinforced Concrete Decksq. ft.155,523000155,523
Substructure
Reinforced Concrete Columneach3737000
Reinforced Concrete Abutmentlinear ft.181181000
Reinforced Concrete Pier Caplinear ft.964964000
Joints
Strip Seal Jointlinear ft.257257000
Compression Jointlinear ft.8181000
Bearings
Elastomeric Bearingeach1641402400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,7463,734840