SR91 NB Tpk 175.4 over Outfall Canal
GoodIndian River County, Florida · 9.3 MI S of Ft Drum Plz · Structure no. 880065
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 142 ft
- 5 main spans
- Daily traffic
- 18,350
- 2024 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR91 NB Tpk 175.4 over Outfall Canal is a prestressed concrete slab carrying SR91 NB Tpk 175.4 over Outfall Canal in Indian River County, Florida. It was built in 1963, so it is 62 years old, older 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 18,350 vehicles a day, roughly 11% of them trucks, projected to reach 31,837 by 2042. The structure is 142 ft (43.2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR91 NB Tpk 175.4 over Outfall Canal built?
It was built in 1963, making it 62 years old in 2025.
What condition is SR91 NB Tpk 175.4 over Outfall 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 SR91 NB Tpk 175.4 over Outfall Canal carry?
About 18,350 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is SR91 NB Tpk 175.4 over Outfall Canal?
The structure is 142 ft (43.2 m) long with a longest span of 28 ft (8.6 m) and a deck 40 ft wide.
Who owns SR91 NB Tpk 175.4 over Outfall Canal?
It is owned by the State Toll Authority.