US 17 NB over Sc 30/S-658
FairCharleston County, South Carolina · In Charleston · Structure no. 000000000009137
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 902 ft
- 1 main span
- Daily traffic
- 38,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 17 NB over Sc 30/S-658 is a steel continuous stringer/multi-beam or girder carrying US 17 NB over Sc 30/S-658 in Charleston County, South Carolina. It was built in 1997, so it is 28 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 38,250 vehicles a day, roughly 2% of them trucks, projected to reach 54,698 by 2043. The structure is 902 ft (274.9 m) long and 55 ft wide.
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 17 NB over Sc 30/S-658 built?
It was built in 1997, making it 28 years old in 2025.
What condition is US 17 NB over Sc 30/S-658 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 US 17 NB over Sc 30/S-658 carry?
About 38,250 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is US 17 NB over Sc 30/S-658?
The structure is 902 ft (274.9 m) long with a longest span of 152 ft (46.3 m) and a deck 55 ft wide.
Who owns US 17 NB over Sc 30/S-658?
It is owned by the State Highway Agency.