Structure 880 · Lancaster County, SC

S-29-123 over Flat Creek

Carries S-29-123 over Flat Creek, 10.5mi NE Kershaw.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 4 of 9.

How ratings work
Culvertsets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 4/9

A culvert 53 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built193888 years old
Length53.1 ft16.2 m
Daily traffic300counted 2023
Last inspectedAugust 2024every 12 months

Location

StateSouth Carolina
CountyLancaster
Location10.5mi NE Kershaw
CarriesS-29-123
CrossesFlat Creek
Coordinates34.63750, -80.43583

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length53.1 ft (16.2 m)
Max Span25.9 ft (7.9 m)
Deck Width27.6 ft (8.4 m)
Deck Area136.1 sq m
Main Spans2
Year Built1938

Traffic

Avg Daily Traffic300 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000000880

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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