Structure 8725 · Chester County, SC

S-12-742 over Georges Branch

Carries S-12-742 over Georges Branch, 16.1mi NW Chester.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

70 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built199432 years old
Length69.9 ft21.3 m
Daily traffic50counted 2023
Last inspectedNovember 2024every 24 months

Location

StateSouth Carolina
CountyChester
Location16.1mi NW Chester
CarriesS-12-742
CrossesGeorges Branch
Coordinates34.81489, -81.46238

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length69.9 ft (21.3 m)
Max Span40.0 ft (12.2 m)
Deck Width38.4 ft (11.7 m)
Deck Area249.2 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic50 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number000000000008725

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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