Structure 10094 · Aiken County, SC

US 25 Bus over Savannah River

Carries US 25 Bus over Savannah River, Ga/sc State Line.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,507 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

1,507 ft end to end, longest span 125 ft: about 4.2 football fields. Lengths and the semi-truck 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.

Built1939rebuilt 1991
Length1506.9 ft459.3 m
Daily traffic20,700counted 2023
Last inspectedOctober 2023every 24 months

Location

StateSouth Carolina
CountyAiken
LocationGa/sc State Line
CarriesUS 25 Bus
CrossesSavannah River
Coordinates33.48325, -81.97332

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1506.9 ft (459.3 m)
Max Span125.0 ft (38.1 m)
Deck Width62.7 ft (19.1 m)
Deck Area8772.6 sq m
Main Spans6
Year Built1939 (reconstructed 1991)

Traffic

Avg Daily Traffic20,700 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerOther State Agencies
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000010094

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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