US Bridges

Sc 274 over Little Allison Creek

Good

York County, South Carolina · 3.2 MI N of Newport · Structure no. 000000000006204

Built
2011
14 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
150 ft
5 main spans
Daily traffic
13,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 274 over Little Allison Creek is a concrete slab carrying Sc 274 over Little Allison Creek in York County, South Carolina. It was built in 2011, so it is 14 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,300 vehicles a day, roughly 4% of them trucks, projected to reach 17,689 by 2043. The structure is 150 ft (45.7 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 274
CrossesLittle Allison Creek
Location3.2 MI N of Newport
RouteState Highway 274
Coordinates35.03095, -81.10342
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width79 ft (24.1 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,300 (2023)
Projected traffic17,689 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 274 over Little Allison Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Sc 274 over Little Allison Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Sc 274 over Little Allison Creek carry?

About 13,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sc 274 over Little Allison Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 79 ft wide.

Who owns Sc 274 over Little Allison Creek?

It is owned by the State Highway Agency.