US Bridges

US 25 Bus over Savannah River

Fair

Aiken County, South Carolina · Ga/Sc State Line · Structure no. 000000000010094

Built
1939
86 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,507 ft
6 main spans
Daily traffic
20,700
2023 count
Owner
State
Other State Agency

About this bridge

US 25 Bus over Savannah River is a steel continuous stringer/multi-beam or girder carrying US 25 Bus over Savannah River in Aiken County, South Carolina. It was built in 1939 and reconstructed in 1991, so it is 86 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,700 vehicles a day, roughly 1% of them trucks, projected to reach 22,770 by 2043. The structure is 1,507 ft (459.3 m) long and 63 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 25 Bus
CrossesSavannah River
LocationGa/Sc State Line
RouteU.S. Route 25
Coordinates33.48325, -81.97332
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating30.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+6 approach)
Design loadH 20
Structure length1,507 ft (459.3 m)
Longest span125 ft (38.1 m)
Deck width63 ft (19.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,700 (2023)
Projected traffic22,770 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 25 Bus over Savannah River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1991.

What condition is US 25 Bus over Savannah River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does US 25 Bus over Savannah River carry?

About 20,700 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is US 25 Bus over Savannah River?

The structure is 1,507 ft (459.3 m) long with a longest span of 125 ft (38.1 m) and a deck 63 ft wide.

Who owns US 25 Bus over Savannah River?

It is owned by the Other State Agency.