Share:

US 21 over CONGAREE CREEK

Map

Coordinates:
+33.93744, -81.07761
33°56'15" N, 81°04'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 21 over CONGAREE CREEK
Structure number:000000000000885
Old structure number:003220002100600 (from 1992 edition)
Location:2MI S OF W COLA
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:22.0 ft. [6.7 m]
Total length:87.9 ft. [26.8 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:102.0 ft. [31.1 m]
Owner:State Highway Agency [01]
Year built:1938
Year reconstructed:1985
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:4
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: October 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:20,800 [as of 2017]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:61.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$187,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017PoorGoodGoodPoor2080061.5
October 2015PoorGoodGoodPoor2110061.5
November 2013PoorGoodGoodPoor2060061.5
November 2011PoorGoodGoodPoor2030060.6
November 2009PoorGoodGoodPoor2040055.2
December 2007PoorGoodGoodPoor2190055.0
December 2005PoorGoodGoodPoor2560054.3
January 2000FairGoodGoodFair3060070.9
December 1991GoodGoodGoodGood933888.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.880880000
Deck
Reinforced Concrete Decksq. ft.4,9284,8435800
Wearing Surfacessq. ft.4,9284,68224600
Substructure
Steel Columneach78060018
Steel Protective Coatingsq. ft.10,75310,753000
Reinforced Concrete Columneach60060
Reinforced Concrete Pier Caplinear ft.510509100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.176176000
Deck
Reinforced Concrete Slabsq. ft.4,0484,048000