Share:

SC 12 CON over SC 12

Map

Coordinates:
+33.99326, -81.06806
33°59'36" N, 81°04'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SC 12 CON over SC 12
Structure number:000000000007002
Old structure number:003240001209000 (from 1992 edition)
Location:WEST COLUMBIA
Purpose:Carries highway over highway
Route classification:Collector (Urban) [17]
Length of largest span:80.1 ft. [24.4 m]
Total length:222.1 ft. [67.7 m]
Roadway width between curbs:64.6 ft. [19.7 m]
Deck width edge-to-edge:75.8 ft. [23.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1977
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:4
Main spans material:Steel [3]
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: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,900 [as of 2017]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:93.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairSatisfactorySatisfactorySatisfactory290093.0
November 2015GoodGoodGoodGood260093.0
November 2013GoodGoodGoodGood260092.0
November 2011FairGoodGoodSatisfactory240092.0
December 2009GoodGoodGoodGood270093.0
January 2008GoodGoodGoodGood290093.0
January 2006GoodGoodGoodGood280093.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,9981,1666721600
Steel Protective Coatingsq. ft.10,75310,753000
Deck
Reinforced Concrete Decksq. ft.16,8349,7797,034210
Substructure
Reinforced Concrete Columneach1212000
Reinforced Concrete Pier Caplinear ft.3923592940
Joints
Pourable Jointlinear ft.157001570
Compression Jointlinear ft.2368601500
Bearings
Movable Bearingeach36018180
Steel Protective Coatingsq. ft.10,75310,753000
Fixed Bearingeach36018180
Steel Protective Coatingsq. ft.10,75310,753000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4444103400