US-41 (SR-45) NB over Big Slough
FairSarasota County, Florida · 1.4 MI N/O Sumter Blvd · Structure no. 170074
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected March 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 240 ft
- 6 main spans
- Daily traffic
- 19,750
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
US-41 (SR-45) NB over Big Slough is a prestressed concrete stringer/multi-beam or girder carrying US-41 (SR-45) NB over Big Slough in Sarasota County, Florida. It was built in 1975, so it is 50 years old, older than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 19,750 vehicles a day, roughly 6% of them trucks, projected to reach 24,688 by 2045. The structure is 240 ft (73.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US-41 (SR-45) NB over Big Slough built?
It was built in 1975, making it 50 years old in 2025.
What condition is US-41 (SR-45) NB over Big Slough in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2025.
How much traffic does US-41 (SR-45) NB over Big Slough carry?
About 19,750 vehicles per day (2025 count), of which roughly 6% are trucks.
How long is US-41 (SR-45) NB over Big Slough?
The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.
Who owns US-41 (SR-45) NB over Big Slough?
It is owned by the State Highway Agency.