SR-A1A over Intracoastal Waterway
PoorSt. Lucie County, Florida · 200 East of US-1(SR-5) · Structure no. 940045
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected March 2024
- Type
- Movable - Bascule
- Steel
- Length
- 2,054 ft
- 1 main span
- Daily traffic
- 7,100
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR-A1A over Intracoastal Waterway is a steel movable - bascule carrying SR-A1A over Intracoastal Waterway in St. Lucie County, Florida. It was built in 1963, so it is 62 years old, older than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 7,100 vehicles a day, roughly 7% of them trucks, projected to reach 12,319 by 2042. The structure is 2,054 ft (626.2 m) long and 38 ft wide. If it were closed, the detour would be 26.1 mi (42 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-A1A over Intracoastal Waterway built?
It was built in 1963, making it 62 years old in 2025.
What condition is SR-A1A over Intracoastal Waterway in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.
How much traffic does SR-A1A over Intracoastal Waterway carry?
About 7,100 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is SR-A1A over Intracoastal Waterway?
The structure is 2,054 ft (626.2 m) long with a longest span of 103 ft (31.4 m) and a deck 38 ft wide.
Who owns SR-A1A over Intracoastal Waterway?
It is owned by the State Highway Agency.