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SC 9 SBL over MITCHELL SWAMP

Map

Coordinates:
+34.11665, -78.96757
34°06'60" N, 78°58'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SC 9 SBL over MITCHELL SWAMP
Structure number:000000000007479
Old structure number:002640000925200 (from 1992 edition)
Location:1.0 MI SE OF GREEN SEA
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:29.9 ft. [9.1 m]
Total length:149.9 ft. [45.7 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Owner:State Highway Agency [01]
Year built:1981
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:5
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 2017]
Truck traffic:7% of total traffic
Deck condition:Good [7 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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:94.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018GoodGoodGoodGood500094.5
August 2016GoodGoodGoodGood390094.6
August 2014GoodGoodGoodGood300094.7
August 2012GoodGoodGoodGood280094.7
September 2010GoodGoodGoodGood275094.7
October 2008GoodGoodGoodGood380094.6
October 2006GoodGoodGoodGood300094.7
September 2004GoodGoodGoodGood290094.7
August 1998GoodGoodGoodGood295092.9
March 1990GoodGoodGoodGood171092.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Prestressed Concrete Columneach3232000
Reinforced Concrete Pier Caplinear ft.266266000
Joints
Pourable Jointlinear ft.266026600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.300300000
Other Material Bridge Raillinear ft.300300000
Deck
Reinforced Concrete Slabsq. ft.6,7506,750000