US Bridges

S-46-6 over RR NS

Good

York County, South Carolina · 6.2 MI SE Rock Hill · Structure no. 000000000000755

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
6,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-6 over RR NS is a steel continuous stringer/multi-beam or girder carrying S-46-6 over RR NS in York County, South Carolina. It was built in 2002, so it is 23 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 6,000 vehicles a day, roughly 4% of them trucks, projected to reach 7,980 by 2043. The structure is 164 ft (50 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-46-6
CrossesRR NS
Location6.2 MI SE Rock Hill
RouteState Highway 6
Coordinates34.86943, -80.93767
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.5 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length164 ft (50 m)
Longest span64 ft (19.5 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2023)
Projected traffic7,980 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-46-6 over RR NS built?

It was built in 2002, making it 23 years old in 2025.

What condition is S-46-6 over RR NS 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 May 2023.

How much traffic does S-46-6 over RR NS carry?

About 6,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-46-6 over RR NS?

The structure is 164 ft (50 m) long with a longest span of 64 ft (19.5 m) and a deck 37 ft wide.

Who owns S-46-6 over RR NS?

It is owned by the State Highway Agency.