US Bridges

S-46-780 over Clarks Creek

Good

York County, South Carolina · 4.1 MI N Hickory Grove · Structure no. 000000000009293

Built
1997
28 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-780 over Clarks Creek is a prestressed concrete stringer/multi-beam or girder carrying S-46-780 over Clarks Creek in York County, South Carolina. It was built in 1997, so it is 28 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 169 ft (51.5 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-46-780
CrossesClarks Creek
Location4.1 MI N Hickory Grove
RouteState Highway 780
Coordinates35.03083, -81.37806
Functional classRural 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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length169 ft (51.5 m)
Longest span69 ft (21 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
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-46-780 over Clarks Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is S-46-780 over Clarks Creek 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 January 2025.

How much traffic does S-46-780 over Clarks Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-46-780 over Clarks Creek?

The structure is 169 ft (51.5 m) long with a longest span of 69 ft (21 m) and a deck 37 ft wide.

Who owns S-46-780 over Clarks Creek?

It is owned by the State Highway Agency.