US Bridges

S-38-90 over Whirlwind Creek

Fair

Orangeburg County, South Carolina · 6MI SE Orangeburg · Structure no. 000000000000453

Built
1930
95 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

S-38-90 over Whirlwind Creek is a concrete culvert carrying S-38-90 over Whirlwind Creek in Orangeburg County, South Carolina. It was built in 1930, so it is 95 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 850 vehicles a day, roughly 4% of them trucks, projected to reach 1,182 by 2043. The structure is 21 ft (6.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-38-90
CrossesWhirlwind Creek
Location6MI SE Orangeburg
RouteState Highway 90
Coordinates33.41378, -80.90759
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width34 ft (10.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,182 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-38-90 over Whirlwind Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is S-38-90 over Whirlwind Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does S-38-90 over Whirlwind Creek carry?

About 850 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-38-90 over Whirlwind Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns S-38-90 over Whirlwind Creek?

It is owned by the State Highway Agency.