CR 121 over Deep Creek
PoorNassau County, Florida · 0.9 MI North of CR 108 · Structure no. 740050
- Built
- 1949
- 76 years old, rebuilt 1988
- Condition
- Poor
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 51 ft
- 4 main spans
- Daily traffic
- 2,500
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
CR 121 over Deep Creek is a concrete culvert carrying CR 121 over Deep Creek in Nassau County, Florida. It was built in 1949 and reconstructed in 1988, 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 4,338 by 2046. The structure is 51 ft (15.6 m) long. If it were closed, the detour would be 28.6 mi (46 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 |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 121 over Deep Creek built?
It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1988.
What condition is CR 121 over Deep Creek 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 June 2024.
How much traffic does CR 121 over Deep Creek carry?
About 2,500 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is CR 121 over Deep Creek?
The structure is 51 ft (15.6 m) long with a longest span of 13 ft (3.9 m).
Who owns CR 121 over Deep Creek?
It is owned by the County Highway Agency.