US-1 Bus. & SR-5A over San Sebastian River
PoorSt. Johns County, Florida · In St. Augustine · Structure no. 780003
- Built
- 1949
- 76 years old
- Condition
- Poor
- inspected August 2024
- Type
- Tee Beam
- Concrete
- Length
- 238 ft
- 7 main spans
- Daily traffic
- 16,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-1 Bus. & SR-5A over San Sebastian River is a concrete tee beam carrying US-1 Bus. & SR-5A over San Sebastian River in St. Johns County, Florida. It was built in 1949, so it is 76 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 16,500 vehicles a day, roughly 3% of them trucks, projected to reach 28,628 by 2045. The structure is 238 ft (72.5 m) long and 48 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-1 Bus. & SR-5A over San Sebastian River built?
It was built in 1949, making it 76 years old in 2025.
What condition is US-1 Bus. & SR-5A over San Sebastian River 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 August 2024.
How much traffic does US-1 Bus. & SR-5A over San Sebastian River carry?
About 16,500 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US-1 Bus. & SR-5A over San Sebastian River?
The structure is 238 ft (72.5 m) long with a longest span of 34 ft (10.4 m) and a deck 48 ft wide.
Who owns US-1 Bus. & SR-5A over San Sebastian River?
It is owned by the State Highway Agency.