US Bridges

US 76 over U.S. 521

Good

Sumter County, South Carolina · 3 MI NW of Sumter · Structure no. 000000000002625

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
15,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 76 over U.S. 521 is a prestressed concrete stringer/multi-beam or girder carrying US 76 over U.S. 521 in Sumter County, South Carolina. It was built in 2014, so it is 11 years old, younger 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 15,800 vehicles a day, roughly 10% of them trucks, projected to reach 17,222 by 2043. The structure is 203 ft (61.9 m) long and 62 ft wide.

CarriesUS 76
CrossesU.S. 521
Location3 MI NW of Sumter
RouteU.S. Route 76
Coordinates33.95721, -80.3798
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating23.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length203 ft (61.9 m)
Longest span103 ft (31.4 m)
Deck width62 ft (19 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,800 (2023)
Projected traffic17,222 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 76 over U.S. 521 built?

It was built in 2014, making it 11 years old in 2025.

What condition is US 76 over U.S. 521 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 June 2024.

How much traffic does US 76 over U.S. 521 carry?

About 15,800 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 76 over U.S. 521?

The structure is 203 ft (61.9 m) long with a longest span of 103 ft (31.4 m) and a deck 62 ft wide.

Who owns US 76 over U.S. 521?

It is owned by the State Highway Agency.