US Bridges

S-46-50 over Manchester Creek

Good

York County, South Carolina · 4.4 MI NE of Rock Hill · Structure no. 000000000010386

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
88 ft
1 main span
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-50 over Manchester Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying S-46-50 over Manchester Creek in York County, South Carolina. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,500 vehicles a day, roughly 7% of them trucks, projected to reach 21,460 by 2043. The structure is 88 ft (26.9 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-46-50
CrossesManchester Creek
Location4.4 MI NE of Rock Hill
RouteState Highway 50
Coordinates34.95526, -80.95827
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating60.4 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length88 ft (26.9 m)
Longest span88 ft (26.8 m)
Deck width46 ft (13.9 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic21,460 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 S-46-50 over Manchester Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is S-46-50 over Manchester 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 September 2023.

How much traffic does S-46-50 over Manchester Creek carry?

About 14,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-46-50 over Manchester Creek?

The structure is 88 ft (26.9 m) long with a longest span of 88 ft (26.8 m) and a deck 46 ft wide.

Who owns S-46-50 over Manchester Creek?

It is owned by the State Highway Agency.