US 521 over RR CSXT
FairSumter County, South Carolina · City of Sumter · Structure no. 000000000007519
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 204 ft
- 3 main spans
- Daily traffic
- 21,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 521 over RR CSXT is a prestressed concrete stringer/multi-beam or girder carrying US 521 over RR CSXT in Sumter County, South Carolina. It was built in 1981, so it is 44 years old, younger 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 21,400 vehicles a day, roughly 5% of them trucks, projected to reach 14,766 by 2043. The structure is 204 ft (62.2 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 521 over RR CSXT built?
It was built in 1981, making it 44 years old in 2025.
What condition is US 521 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 July 2023.
How much traffic does US 521 over RR CSXT carry?
About 21,400 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 521 over RR CSXT?
The structure is 204 ft (62.2 m) long with a longest span of 68 ft (20.7 m) and a deck 66 ft wide.
Who owns US 521 over RR CSXT?
It is owned by the State Highway Agency.