US Bridges

US 378 over Dry Creek

Good

Saluda County, South Carolina · 7.5 MI NE of Saluda · Structure no. 000000000001129

Built
1940
85 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 378 over Dry Creek is a concrete culvert carrying US 378 over Dry Creek in Saluda County, South Carolina. It was built in 1940, so it is 85 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 3,500 vehicles a day, roughly 10% of them trucks, projected to reach 6,090 by 2043. The structure is 27 ft (8.2 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 378
CrossesDry Creek
Location7.5 MI NE of Saluda
RouteU.S. Route 378
Coordinates34.02924, -81.64024
Functional classRural Principal Arterial - Other

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic6,090 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 378 over Dry Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is US 378 over Dry 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 August 2024.

How much traffic does US 378 over Dry Creek carry?

About 3,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 378 over Dry Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 37 ft wide.

Who owns US 378 over Dry Creek?

It is owned by the State Highway Agency.