Dunn Road over C-104 Canal
GoodSt. Lucie County, Florida · 0.5MI S of CR 712 · Structure no. 945270
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Prestressed Concrete
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 120
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Dunn Road over C-104 Canal is a prestressed concrete slab carrying Dunn Road over C-104 Canal in St. Lucie County, Florida. It was built in 1988, so it is 37 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 3,470 by 2042. The structure is 90 ft (27.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dunn Road over C-104 Canal built?
It was built in 1988, making it 37 years old in 2025.
What condition is Dunn Road over C-104 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 February 2025.
How much traffic does Dunn Road over C-104 Canal carry?
About 120 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Dunn Road over C-104 Canal?
The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.
Who owns Dunn Road over C-104 Canal?
It is owned by the City or Municipal Highway Agency.