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US 321 over S. EDISTO RIVER

Map

Coordinates:
+33.39357, -81.13331
33°23'37" N, 81°07'60" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 321 over S. EDISTO RIVER
Structure number:000000000001920
Old structure number:000520032100500 (from 1992 edition)
Location:7MI N OF DENMARK
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:32.2 ft. [9.8 m]
Total length:394.0 ft. [120.1 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:State Highway Agency [01]
Year built:1953
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:13
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:3,200 [as of 2017]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 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 corrrective action [3]
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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:53.2
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$1,050,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018PoorSatisfactoryPoorGood320053.2
April 2016FairSatisfactoryFairGood320069.2
April 2014FairGoodFairGood300066.8
May 2012FairGoodFairGood270067.0
June 2010PoorGoodPoorGood290049.9
June 2008PoorGoodPoorGood300049.8
June 2006PoorGoodPoorGood310049.7
June 2004PoorGoodPoorGood300049.8
June 1998PoorVery GoodPoorVery Good310047.8
April 1990FairVery GoodSatisfactoryVery Good287866.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.1,57609560620
Deck
Reinforced Concrete Top Flangesq. ft.12,608012,4681400
Substructure
Reinforced Concrete Pileeach56352001
Reinforced Concrete Pier Caplinear ft.448448000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.788788000
Reinforced Concrete Bridge Raillinear ft.788788000