US Bridges

S-46-70 over Clarks Creek

Good

York County, South Carolina · 2.0MI E Hickory Grove · Structure no. 000000000008311

Built
1989
36 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
1 main span
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-70 over Clarks Creek is a steel stringer/multi-beam or girder carrying S-46-70 over Clarks Creek in York County, South Carolina. It was built in 1989, so it is 36 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 9% of them trucks, projected to reach 556 by 2043. The structure is 210 ft (64 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-46-70
CrossesClarks Creek
Location2.0MI E Hickory Grove
RouteState Highway 70
Coordinates34.98233, -81.38015
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length210 ft (64 m)
Longest span90 ft (27.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic556 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-46-70 over Clarks Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is S-46-70 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 November 2024.

How much traffic does S-46-70 over Clarks Creek carry?

About 400 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is S-46-70 over Clarks Creek?

The structure is 210 ft (64 m) long with a longest span of 90 ft (27.4 m) and a deck 37 ft wide.

Who owns S-46-70 over Clarks Creek?

It is owned by the State Highway Agency.