US Bridges

S-46-251 over Br to Catawba River

Good

York County, South Carolina · 2.8 MI NW Fort Mill · Structure no. 000000000002280

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
5,800
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-251 over Br to Catawba River is a prestressed concrete slab carrying S-46-251 over Br to Catawba River in York County, South Carolina. It was built in 2013, so it is 12 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 5,800 vehicles a day, roughly 4% of them trucks, projected to reach 7,714 by 2043. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-46-251
CrossesBr to Catawba River
Location2.8 MI NW Fort Mill
RouteState Highway 251
Coordinates35.01943, -80.99393
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span70 ft (21.3 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2023)
Projected traffic7,714 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-46-251 over Br to Catawba River built?

It was built in 2013, making it 12 years old in 2025.

What condition is S-46-251 over Br to Catawba River 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 April 2023.

How much traffic does S-46-251 over Br to Catawba River carry?

About 5,800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-46-251 over Br to Catawba River?

The structure is 120 ft (36.6 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-46-251 over Br to Catawba River?

It is owned by the State Highway Agency.