US-41 Business SB over Mckay Bay
FairHillsborough County, Florida · 1.7 Miles S of SR-60 · Structure no. 100299
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,628 ft
- 27 main spans
- Daily traffic
- 31,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-41 Business SB over Mckay Bay is a prestressed concrete stringer/multi-beam or girder carrying US-41 Business SB over Mckay Bay in Hillsborough 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 31,500 vehicles a day, roughly 12% of them trucks, projected to reach 54,653 by 2042. The structure is 1,628 ft (496.3 m) long and 42 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-41 Business SB over Mckay Bay built?
It was built in 1975, making it 50 years old in 2025.
What condition is US-41 Business SB over Mckay Bay 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 2023.
How much traffic does US-41 Business SB over Mckay Bay carry?
About 31,500 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US-41 Business SB over Mckay Bay?
The structure is 1,628 ft (496.3 m) long with a longest span of 118 ft (36 m) and a deck 42 ft wide.
Who owns US-41 Business SB over Mckay Bay?
It is owned by the State Highway Agency.