US 17 Alt over RR CSXT
FairBerkeley County, South Carolina · In Town of Moncks Corner · Structure no. 000000000000712
- Built
- 1936
- 89 years old, rebuilt 1976
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 138 ft
- 3 main spans
- Daily traffic
- 23,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 17 Alt over RR CSXT is a concrete tee beam carrying US 17 Alt over RR CSXT in Berkeley County, South Carolina. It was built in 1936 and reconstructed in 1976, 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 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 23,000 vehicles a day, roughly 5% of them trucks, projected to reach 32,890 by 2043. The structure is 138 ft (42.1 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 17 Alt over RR CSXT built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1976.
What condition is US 17 Alt 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 October 2023.
How much traffic does US 17 Alt over RR CSXT carry?
About 23,000 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 17 Alt over RR CSXT?
The structure is 138 ft (42.1 m) long with a longest span of 46 ft (14 m) and a deck 69 ft wide.
Who owns US 17 Alt over RR CSXT?
It is owned by the State Highway Agency.