I-275 SB over 30th Ave North
GoodPinellas County, Florida · 1.5 MI North of SR-595 · Structure no. 150088
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 175 ft
- 3 main spans
- Daily traffic
- 158,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-275 SB over 30th Ave North is a prestressed concrete stringer/multi-beam or girder carrying I-275 SB over 30th Ave North in Pinellas County, Florida. It was built in 1974, so it is 51 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 158,000 vehicles a day, roughly 6% of them trucks, projected to reach 274,130 by 2042. The structure is 175 ft (53.4 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-275 SB over 30th Ave North built?
It was built in 1974, making it 51 years old in 2025.
What condition is I-275 SB over 30th Ave North 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 October 2023.
How much traffic does I-275 SB over 30th Ave North carry?
About 158,000 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is I-275 SB over 30th Ave North?
The structure is 175 ft (53.4 m) long with a longest span of 80 ft (24.3 m) and a deck 60 ft wide.
Who owns I-275 SB over 30th Ave North?
It is owned by the State Highway Agency.