Structure 8506 · Aiken County, SC

S-2-180 over Norfolk Southern

Carries S-2-180 over Norfolk Southern, Fairfield ST Aiken.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 0 of 9.

How ratings work
Deck4/9 · Poor
Superstructure4/9 · Poor
Substructuresets the rating0/9 · Failed
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT71 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 0/9 · sets the rating

71 ft end to end, longest span 24 ft. 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 multi-beam bridge.

Built199234 years old
Length70.9 ft21.6 m
Daily traffic300counted 2023
Last inspectedJanuary 2025every 6 months

Location

StateSouth Carolina
CountyAiken
LocationFairfield ST Aiken
CarriesS-2-180
CrossesNorfolk Southern
Coordinates33.55700, -81.71788

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length70.9 ft (21.6 m)
Max Span24.0 ft (7.3 m)
Deck Width27.9 ft (8.5 m)
Deck Area183.6 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic300 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 6 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000008506

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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