Onslow Beach RD over Intracoastal Waterway
FairOnslow County, North Carolina · 1.4 MI SE of Nc 172 · Structure no. 2NCA129
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected October 2024
- Type
- Movable - Swing
- Steel
- Length
- 380 ft
- 2 main spans
- Daily traffic
- 300
- 2014 count
- Owner
- Federal
- Navy / Marines
About this bridge
Onslow Beach RD over Intracoastal Waterway is a steel movable - swing carrying Onslow Beach RD over Intracoastal Waterway in Onslow County, North Carolina. It was built in 1953, so it is 72 years old, older than the North Carolina average of 38.7 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.
It carries about 300 vehicles a day, roughly 25% of them trucks, projected to reach 400 by 2044. The structure is 380 ft (115.8 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Onslow Beach RD over Intracoastal Waterway built?
It was built in 1953, making it 72 years old in 2025.
What condition is Onslow Beach RD over Intracoastal Waterway 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 2024.
How much traffic does Onslow Beach RD over Intracoastal Waterway carry?
About 300 vehicles per day (2014 count), of which roughly 25% are trucks.
How long is Onslow Beach RD over Intracoastal Waterway?
The structure is 380 ft (115.8 m) long with a longest span of 108 ft (32.9 m) and a deck 37 ft wide.
Who owns Onslow Beach RD over Intracoastal Waterway?
It is owned by the Navy / Marines.