US Bridges

US 176 over Goodbys Swamp

Fair

Orangeburg County, South Carolina · 4MI SW of Elloree · Structure no. 000000000002588

Built
1938
87 years old, rebuilt 1957
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
96 ft
2 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over Goodbys Swamp is a concrete tee beam carrying US 176 over Goodbys Swamp in Orangeburg County, South Carolina. It was built in 1938 and reconstructed in 1957, so it is 87 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 5 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 2,600 vehicles a day, roughly 11% of them trucks, projected to reach 3,796 by 2043. The structure is 96 ft (29.4 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 176
CrossesGoodbys Swamp
Location4MI SW of Elloree
RouteU.S. Route 176
Coordinates33.44419, -80.61888
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length96 ft (29.4 m)
Longest span26 ft (7.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic3,796 by 2043
Trucks11%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 176 over Goodbys Swamp built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1957.

What condition is US 176 over Goodbys 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 August 2023.

How much traffic does US 176 over Goodbys Swamp carry?

About 2,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 176 over Goodbys Swamp?

The structure is 96 ft (29.4 m) long with a longest span of 26 ft (7.9 m) and a deck 46 ft wide.

Who owns US 176 over Goodbys Swamp?

It is owned by the State Highway Agency.