20th Avenue over South Relief Canal
GoodIndian River County, Florida · 2.6 Miles S of SR-60 · Structure no. 884062
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 7,300
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
20th Avenue over South Relief Canal is a prestressed concrete stringer/multi-beam or girder carrying 20th Avenue over South Relief Canal in Indian River County, Florida. It was built in 1992, so it is 33 years old, younger than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,300 vehicles a day, roughly 5% of them trucks, projected to reach 12,665 by 2042. The structure is 120 ft (36.6 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 20th Avenue over South Relief Canal built?
It was built in 1992, making it 33 years old in 2025.
What condition is 20th Avenue over South Relief Canal in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does 20th Avenue over South Relief Canal carry?
About 7,300 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is 20th Avenue over South Relief Canal?
The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 55 ft wide.
Who owns 20th Avenue over South Relief Canal?
It is owned by the County Highway Agency.