US Bridges

Sc 27 over Santee Branch

Good

Berkeley County, South Carolina · 18.0 MI W Moncks Corner · Structure no. 000000000008715

Built
1994
31 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 27 over Santee Branch is a prestressed concrete box beam or girders - multiple carrying Sc 27 over Santee Branch in Berkeley County, South Carolina. It was built in 1994, so it is 31 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 2,700 vehicles a day, roughly 9% of them trucks, projected to reach 3,942 by 2043. The structure is 60 ft (18.3 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSc 27
CrossesSantee Branch
Location18.0 MI W Moncks Corner
RouteState Highway 27
Coordinates33.19417, -80.29167
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic3,942 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 27 over Santee Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Sc 27 over Santee 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 September 2023.

How much traffic does Sc 27 over Santee Branch carry?

About 2,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 27 over Santee Branch?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns Sc 27 over Santee Branch?

It is owned by the State Highway Agency.