NE 123rd Street over Biscayne Bay
PoorMiami-Dade County, Florida · 200FT. W of Toll Plaza · Structure no. 875105
- Built
- 2006
- 19 years old
- Condition
- Poor
- inspected February 2025
- Type
- Slab
- Prestressed Concrete
- Length
- 221 ft
- 5 main spans
- Daily traffic
- 22,890
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
NE 123rd Street over Biscayne Bay is a prestressed concrete slab carrying NE 123rd Street over Biscayne Bay in Miami-Dade County, Florida. It was built in 2006, so it is 19 years old, younger 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 22,890 vehicles a day, roughly 2% of them trucks, projected to reach 38,935 by 2042. The structure is 221 ft (67.5 m) long and 82 ft wide. If it were closed, the detour would be 7.5 mi (12 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NE 123rd Street over Biscayne Bay built?
It was built in 2006, making it 19 years old in 2025.
What condition is NE 123rd Street over Biscayne Bay 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 February 2025.
How much traffic does NE 123rd Street over Biscayne Bay carry?
About 22,890 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is NE 123rd Street over Biscayne Bay?
The structure is 221 ft (67.5 m) long with a longest span of 45 ft (13.6 m) and a deck 82 ft wide.
Who owns NE 123rd Street over Biscayne Bay?
It is owned by the Town or Township Highway Agency.