US Bridges

S-46-323 over Ross Branch

Good

York County, South Carolina · City of York · Structure no. 000000000004008

Built
2010
15 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
350
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-323 over Ross Branch is a prestressed concrete box beam or girders - multiple carrying S-46-323 over Ross Branch in York County, South Carolina. It was built in 2010, so it is 15 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2025. The structure is 90 ft (27.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-46-323
CrossesRoss Branch
LocationCity of York
RouteState Highway 323
Coordinates34.99472, -81.2575
Functional classUrban Local

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 inspectionFebruary 2025
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+1 approach)
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic448 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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-46-323 over Ross Branch built?

It was built in 2010, making it 15 years old in 2025.

What condition is S-46-323 over Ross Branch 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 February 2025.

How much traffic does S-46-323 over Ross Branch carry?

About 350 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-46-323 over Ross Branch?

The structure is 90 ft (27.4 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-46-323 over Ross Branch?

It is owned by the State Highway Agency.