US Bridges

S-46-188 over Br to Catawba River

Good

York County, South Carolina · 8.1 MI SE Rock Hill · Structure no. 000000000009479

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-188 over Br to Catawba River is a prestressed concrete continuous stringer/multi-beam or girder carrying S-46-188 over Br to Catawba River in York County, South Carolina. It was built in 1999, so it is 26 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 1,550 vehicles a day, roughly 3% of them trucks, projected to reach 2,062 by 2043. The structure is 150 ft (45.7 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-46-188
CrossesBr to Catawba River
Location8.1 MI SE Rock Hill
RouteState Highway 188
Coordinates34.87512, -80.89732
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic2,062 by 2043
Trucks3%
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 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-46-188 over Br to Catawba River built?

It was built in 1999, making it 26 years old in 2025.

What condition is S-46-188 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 June 2023.

How much traffic does S-46-188 over Br to Catawba River carry?

About 1,550 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-46-188 over Br to Catawba River?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-46-188 over Br to Catawba River?

It is owned by the State Highway Agency.