US Bridges

Sc 555 over State Hospitalrd-Private

Good

Richland County, South Carolina · City of Columbia · Structure no. 000000000002413

Built
1956
69 years old
Condition
Good
inspected November 2023
Type
Frame
Concrete
Length
29 ft
2 main spans
Daily traffic
20,100
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 555 over State Hospitalrd-Private is a concrete frame carrying Sc 555 over State Hospitalrd-Private in Richland County, South Carolina. It was built in 1956, so it is 69 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,100 vehicles a day, roughly 2% of them trucks, projected to reach 27,135 by 2043. The structure is 29 ft (8.8 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 555
CrossesState Hospitalrd-Private
LocationCity of Columbia
RouteState Highway 555
Coordinates34.02402, -81.02704
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width95 ft (29 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,100 (2023)
Projected traffic27,135 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$53,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 555 over State Hospitalrd-Private built?

It was built in 1956, making it 69 years old in 2025.

What condition is Sc 555 over State Hospitalrd-Private in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Sc 555 over State Hospitalrd-Private carry?

About 20,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sc 555 over State Hospitalrd-Private?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 95 ft wide.

Who owns Sc 555 over State Hospitalrd-Private?

It is owned by the State Highway Agency.