US Bridges

Sc 375 over Penn Branch

Good

Williamsburg County, South Carolina · 3.5 MI SW of Lane · Structure no. 000000000000988

Built
1939
86 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 375 over Penn Branch is a concrete culvert carrying Sc 375 over Penn Branch in Williamsburg County, South Carolina. It was built in 1939, so it is 86 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 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 600 vehicles a day, roughly 9% of them trucks, projected to reach 876 by 2043. The structure is 22 ft (6.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 375
CrossesPenn Branch
Location3.5 MI SW of Lane
RouteState Highway 375
Coordinates33.50489, -79.93541
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width43 ft (13 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic876 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sc 375 over Penn Branch built?

It was built in 1939, making it 86 years old in 2025.

What condition is Sc 375 over Penn 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 October 2024.

How much traffic does Sc 375 over Penn Branch carry?

About 600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 375 over Penn Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns Sc 375 over Penn Branch?

It is owned by the State Highway Agency.