US Bridges

S-18-25/ZION RD over Halfway Gut Creek

Fair

Dorchester County, South Carolina · 11.2MI SE ST George · Structure no. 000000000001698

Built
1950
75 years old, rebuilt 1970
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
60 ft
6 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

S-18-25/ZION RD over Halfway Gut Creek is a concrete slab carrying S-18-25/ZION RD over Halfway Gut Creek in Dorchester County, South Carolina. It was built in 1950 and reconstructed in 1970, so it is 75 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 400 vehicles a day, roughly 32% of them trucks, projected to reach 584 by 2043. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-18-25/ZION RD
CrossesHalfway Gut Creek
Location11.2MI SE ST George
RouteState Highway 25
Coordinates33.12256, -80.39103
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length60 ft (18.3 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic584 by 2043
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-18-25/ZION RD over Halfway Gut Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1970.

What condition is S-18-25/ZION RD over Halfway Gut 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 2023.

How much traffic does S-18-25/ZION RD over Halfway Gut Creek carry?

About 400 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is S-18-25/ZION RD over Halfway Gut Creek?

The structure is 60 ft (18.3 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns S-18-25/ZION RD over Halfway Gut Creek?

It is owned by the State Highway Agency.