US Bridges

Cuba Street over Ballast Creek

Fair

Beaufort County, South Carolina · 1.1 KM S. of Malecon Dr. · Structure no. 2SC0300

Built
1941
84 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
360 ft
12 main spans
Daily traffic
50
2013 count
Owner
Federal
Navy / Marines

About this bridge

Cuba Street over Ballast Creek is a concrete tee beam carrying Cuba Street over Ballast Creek in Beaufort County, South Carolina. It was built in 1941, so it is 84 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 55 by 2032. The structure is 360 ft (109.7 m) long and 26 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesCuba Street
CrossesBallast Creek
Location1.1 KM S. of Malecon Dr.
Coordinates32.33456, -80.67197
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating29.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 15
Structure length360 ft (109.7 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2013)
Projected traffic55 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$7,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cuba Street over Ballast Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Cuba Street over Ballast 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 June 2023.

How much traffic does Cuba Street over Ballast Creek carry?

About 50 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Cuba Street over Ballast Creek?

The structure is 360 ft (109.7 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Cuba Street over Ballast Creek?

It is owned by the Navy / Marines.