SR-686 over Mosquito Pass
GoodPinellas County, Florida · 900FT S of Ulmerton RD · Structure no. 150056
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 3 main spans
- Daily traffic
- 4,200
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR-686 over Mosquito Pass is a concrete culvert carrying SR-686 over Mosquito Pass in Pinellas County, Florida. It was built in 1971, so it is 54 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 4,200 vehicles a day, roughly 9% of them trucks, projected to reach 5,250 by 2044. The structure is 27 ft (8.2 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-686 over Mosquito Pass built?
It was built in 1971, making it 54 years old in 2025.
What condition is SR-686 over Mosquito Pass 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 March 2024.
How much traffic does SR-686 over Mosquito Pass carry?
About 4,200 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is SR-686 over Mosquito Pass?
The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m).
Who owns SR-686 over Mosquito Pass?
It is owned by the State Highway Agency.