US Bridges

US 17 Alt over Cedar Creek

Fair

Georgetown County, South Carolina · 4MI NE of Santee River · Structure no. 000000000000933

Built
1939
86 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 Alt over Cedar Creek is a concrete continuous culvert carrying US 17 Alt over Cedar Creek in Georgetown 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 fair condition with a lowest component rating of 5 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 2,800 vehicles a day, roughly 22% of them trucks, projected to reach 4,452 by 2043. The structure is 32 ft (9.7 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 17 Alt
CrossesCedar Creek
Location4MI NE of Santee River
RouteU.S. Route 17
CountyGeorgetown County
StateSouth Carolina
Coordinates33.35972, -79.65444
Functional classRural Minor Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic4,452 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 17 Alt over Cedar Creek built?

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

What condition is US 17 Alt over Cedar 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 May 2024.

How much traffic does US 17 Alt over Cedar Creek carry?

About 2,800 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US 17 Alt over Cedar Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns US 17 Alt over Cedar Creek?

It is owned by the State Highway Agency.