US Bridges

Sc 453/JUDGE ST over Four Hole Swamp

Fair

Dorchester County, South Carolina · 8.9 MI NE ST George · Structure no. 000000000006655

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
180 ft
6 main spans
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 453/JUDGE ST over Four Hole Swamp is a concrete slab carrying Sc 453/JUDGE ST over Four Hole Swamp in Dorchester County, South Carolina. It was built in 1975, so it is 50 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 3,900 vehicles a day, roughly 38% of them trucks, projected to reach 5,694 by 2043. The structure is 180 ft (54.9 m) long and 47 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSc 453/JUDGE ST
CrossesFour Hole Swamp
Location8.9 MI NE ST George
RouteState Highway 453
CountyDorchester County
StateSouth Carolina
Coordinates33.25335, -80.44216
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic5,694 by 2043
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Sc 453/JUDGE ST over Four Hole Swamp built?

It was built in 1975, making it 50 years old in 2025.

What condition is Sc 453/JUDGE ST over Four Hole Swamp 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 Sc 453/JUDGE ST over Four Hole Swamp carry?

About 3,900 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is Sc 453/JUDGE ST over Four Hole Swamp?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 453/JUDGE ST over Four Hole Swamp?

It is owned by the State Highway Agency.