US Bridges

US 25 over U.S. 1

Fair

Aiken County, South Carolina · 1 MI S of N Augusta · Structure no. 000000000003152

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
216 ft
4 main spans
Daily traffic
13,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 25 over U.S. 1 is a prestressed concrete stringer/multi-beam or girder carrying US 25 over U.S. 1 in Aiken County, South Carolina. It was built in 1960, so it is 65 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 13,900 vehicles a day, roughly 3% of them trucks, projected to reach 15,290 by 2043. The structure is 216 ft (65.8 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 25
CrossesU.S. 1
Location1 MI S of N Augusta
RouteU.S. Route 25
CountyAiken County
StateSouth Carolina
Coordinates33.48352, -81.9479
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.1 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length216 ft (65.8 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,900 (2023)
Projected traffic15,290 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 25 over U.S. 1 built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 25 over U.S. 1 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 January 2024.

How much traffic does US 25 over U.S. 1 carry?

About 13,900 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 25 over U.S. 1?

The structure is 216 ft (65.8 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns US 25 over U.S. 1?

It is owned by the State Highway Agency.