Structure 9313 · Chester County, SC

S-12-327 over Trib To Tinkers Ck

Carries S-12-327 over Trib To Tinkers Ck, 7.1mi NE Richburg.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT60 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

60 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 slab bridge.

Built199828 years old
Length60.0 ft18.3 m
Daily traffic350counted 2023
Last inspectedFebruary 2025every 24 months

Location

StateSouth Carolina
CountyChester
Location7.1mi NE Richburg
CarriesS-12-327
CrossesTrib To Tinkers Ck
Coordinates34.79338, -80.93647

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length60.0 ft (18.3 m)
Max Span29.9 ft (9.1 m)
Deck Width38.1 ft (11.6 m)
Deck Area212.3 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic350 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number000000000009313

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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