US Bridges

S-3-102 over Brier Creek

Good

Allendale County, South Carolina · 9.8MI SW Allendale · Structure no. 000000000003779

Built
2006
19 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-3-102 over Brier Creek is a prestressed concrete slab carrying S-3-102 over Brier Creek in Allendale County, South Carolina. It was built in 2006, so it is 19 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 550 vehicles a day, roughly 34% of them trucks, projected to reach 803 by 2043. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-3-102
CrossesBrier Creek
Location9.8MI SW Allendale
RouteState Highway 102
Coordinates32.95871, -81.46301
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic803 by 2043
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 S-3-102 over Brier Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is S-3-102 over Brier 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 May 2023.

How much traffic does S-3-102 over Brier Creek carry?

About 550 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is S-3-102 over Brier Creek?

The structure is 80 ft (24.4 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns S-3-102 over Brier Creek?

It is owned by the State Highway Agency.