US Bridges

US 17 over Trib Horseshoe Crk

Good

Colleton County, South Carolina · 4.5 MI S of Jacksonboro · Structure no. 000000000000600

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
13,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 17 over Trib Horseshoe Crk is a concrete culvert carrying US 17 over Trib Horseshoe Crk in Colleton County, South Carolina. It was built in 2013, so it is 12 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 13,600 vehicles a day, roughly 16% of them trucks, projected to reach 23,664 by 2043. The structure is 22 ft (6.6 m) long and 125 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesUS 17
CrossesTrib Horseshoe Crk
Location4.5 MI S of Jacksonboro
RouteU.S. Route 17
Coordinates32.75773, -80.52946
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating89 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width125 ft (38.1 m)
Roadway width123 ft (37.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,600 (2023)
Projected traffic23,664 by 2043
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 17 over Trib Horseshoe Crk built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 17 over Trib Horseshoe Crk 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 17 over Trib Horseshoe Crk carry?

About 13,600 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 17 over Trib Horseshoe Crk?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 125 ft wide.

Who owns US 17 over Trib Horseshoe Crk?

It is owned by the State Highway Agency.