US Bridges

US 378 over U.S. 52

Good

Florence County, South Carolina · 1.5 MI N of Lake City · Structure no. 000000000002526

Built
2000
25 years old, rebuilt 2004
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
221 ft
3 main spans
Daily traffic
6,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 378 over U.S. 52 is a steel stringer/multi-beam or girder carrying US 378 over U.S. 52 in Florence County, South Carolina. It was built in 2000 and reconstructed in 2004, so it is 25 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 6,900 vehicles a day, roughly 12% of them trucks, projected to reach 10,764 by 2043. The structure is 221 ft (67.4 m) long and 86 ft wide.

CarriesUS 378
CrossesU.S. 52
Location1.5 MI N of Lake City
RouteU.S. Route 378
Coordinates33.89383, -79.75457
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length221 ft (67.4 m)
Longest span129 ft (39.3 m)
Deck width86 ft (26.2 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2023)
Projected traffic10,764 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 378 over U.S. 52 built?

It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2004.

What condition is US 378 over U.S. 52 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 March 2024.

How much traffic does US 378 over U.S. 52 carry?

About 6,900 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 378 over U.S. 52?

The structure is 221 ft (67.4 m) long with a longest span of 129 ft (39.3 m) and a deck 86 ft wide.

Who owns US 378 over U.S. 52?

It is owned by the State Highway Agency.