US Bridges

Sc 61 over RR CSXT

Fair

Charleston County, South Carolina · 4MIE Ofnchas Drayton Hall · Structure no. 000000000000715

Built
1936
89 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
120 ft
3 main spans
Daily traffic
17,700
2024 count
Owner
State
State Highway Agency

About this bridge

Sc 61 over RR CSXT is a concrete tee beam carrying Sc 61 over RR CSXT in Charleston County, South Carolina. It was built in 1936, so it is 89 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 17,700 vehicles a day, roughly 4% of them trucks, projected to reach 25,134 by 2044. The structure is 120 ft (36.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 61
CrossesRR CSXT
Location4MIE Ofnchas Drayton Hall
RouteState Highway 61
Coordinates32.84181, -80.05607
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,700 (2024)
Projected traffic25,134 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$513,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 61 over RR CSXT built?

It was built in 1936, making it 89 years old in 2025.

What condition is Sc 61 over RR CSXT 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 2024.

How much traffic does Sc 61 over RR CSXT carry?

About 17,700 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Sc 61 over RR CSXT?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Sc 61 over RR CSXT?

It is owned by the State Highway Agency.