US Bridges

US 52 Bypass over Swift Creek

Good

Darlington County, South Carolina · In Darlington · Structure no. 000000000010226

Built
1973
52 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
65 ft
5 main spans
Daily traffic
8,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 52 Bypass over Swift Creek is a concrete culvert carrying US 52 Bypass over Swift Creek in Darlington 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 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 8,400 vehicles a day, roughly 19% of them trucks, projected to reach 7,476 by 2043. The structure is 65 ft (19.8 m) long and 289 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 52 Bypass
CrossesSwift Creek
LocationIn Darlington
RouteU.S. Route 52
Coordinates34.29806, -79.89222
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 20
Structure length65 ft (19.8 m)
Longest span12 ft (3.7 m)
Deck width289 ft (88.1 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2023)
Projected traffic7,476 by 2043
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$127,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 52 Bypass over Swift Creek built?

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

What condition is US 52 Bypass over Swift 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 2024.

How much traffic does US 52 Bypass over Swift Creek carry?

About 8,400 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US 52 Bypass over Swift Creek?

The structure is 65 ft (19.8 m) long with a longest span of 12 ft (3.7 m) and a deck 289 ft wide.

Who owns US 52 Bypass over Swift Creek?

It is owned by the State Highway Agency.