US Bridges

US 1 over S C 191

Fair

Aiken County, South Carolina · Granitville · Structure no. 000000000001664

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
26,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 over S C 191 is a concrete continuous slab carrying US 1 over S C 191 in Aiken County, South Carolina. It was built in 1950, so it is 75 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 5 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 26,500 vehicles a day, roughly 4% of them trucks, projected to reach 29,150 by 2043. The structure is 116 ft (35.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 1
CrossesS C 191
LocationGranitville
RouteU.S. Route 1
CountyAiken County
StateSouth Carolina
Coordinates33.55419, -81.81111
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length116 ft (35.4 m)
Longest span44 ft (13.4 m)
Deck width66 ft (20 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,500 (2023)
Projected traffic29,150 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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 1 over S C 191 built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 1 over S C 191 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 February 2024.

How much traffic does US 1 over S C 191 carry?

About 26,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 1 over S C 191?

The structure is 116 ft (35.4 m) long with a longest span of 44 ft (13.4 m) and a deck 66 ft wide.

Who owns US 1 over S C 191?

It is owned by the State Highway Agency.