US Bridges

S-46-285 over S-341

Fair

York County, South Carolina · City of Rock Hill · Structure no. 000000000006405

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
2 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-285 over S-341 is a steel continuous stringer/multi-beam or girder carrying S-46-285 over S-341 in York County, South Carolina. It was built in 1973, so it is 52 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,600 vehicles a day, roughly 3% of them trucks, projected to reach 4,788 by 2043. The structure is 132 ft (40.2 m) long and 78 ft wide.

CarriesS-46-285
CrossesS-341
LocationCity of Rock Hill
RouteState Highway 285
Coordinates34.92488, -81.03141
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span66 ft (20.1 m)
Deck width78 ft (23.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic4,788 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-46-285 over S-341 built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-46-285 over S-341 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does S-46-285 over S-341 carry?

About 3,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-46-285 over S-341?

The structure is 132 ft (40.2 m) long with a longest span of 66 ft (20.1 m) and a deck 78 ft wide.

Who owns S-46-285 over S-341?

It is owned by the State Highway Agency.