S-406 Tarpon Blvd over Fripp Inlet
FairPosted for loadBeaufort County, South Carolina · Fripp Island · Structure no. 000000000010808
- Built
- 1963
- 62 years old, rebuilt 2020
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,990 ft
- 49 main spans
- Daily traffic
- 200
- 2023 count
- Owner
- Local
- Other Local Agency
About this bridge
S-406 Tarpon Blvd over Fripp Inlet is a prestressed concrete stringer/multi-beam or girder carrying S-406 Tarpon Blvd over Fripp Inlet in Beaufort County, South Carolina. It was built in 1963 and reconstructed in 2020, so it is 62 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 256 by 2043. The structure is 1,990 ft (606.6 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-406 Tarpon Blvd over Fripp Inlet built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2020.
What condition is S-406 Tarpon Blvd over Fripp Inlet 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 January 2024.
How much traffic does S-406 Tarpon Blvd over Fripp Inlet carry?
About 200 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-406 Tarpon Blvd over Fripp Inlet?
The structure is 1,990 ft (606.6 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.
Who owns S-406 Tarpon Blvd over Fripp Inlet?
It is owned by the Other Local Agency.