US Bridges

Sc 274 over Mill Creek

Good

York County, South Carolina · 9.4 MI N of Newport · Structure no. 000000000010490

Built
2022
3 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
480 ft
6 main spans
Daily traffic
20,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 274 over Mill Creek is a concrete continuous stringer/multi-beam or girder carrying Sc 274 over Mill Creek in York County, South Carolina. It was built in 2022, so it is 3 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 20,500 vehicles a day, roughly 3% of them trucks, projected to reach 27,265 by 2043. The structure is 480 ft (146.3 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 274
CrossesMill Creek
Location9.4 MI N of Newport
RouteState Highway 274
Coordinates35.12533, -81.08138
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating42.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length480 ft (146.3 m)
Longest span88 ft (26.8 m)
Deck width89 ft (27.1 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2023)
Projected traffic27,265 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Mill Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Sc 274 over Mill 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 Mill Creek carry?

About 20,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 274 over Mill Creek?

The structure is 480 ft (146.3 m) long with a longest span of 88 ft (26.8 m) and a deck 89 ft wide.

Who owns Sc 274 over Mill Creek?

It is owned by the State Highway Agency.