I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st
GoodPinellas County, Florida · I-175 West of 16th ST · Structure no. 150143
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,534 ft
- 3 main spans
- Daily traffic
- 45,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st is a steel continuous stringer/multi-beam or girder carrying I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st in Pinellas County, Florida. It was built in 1977, so it is 48 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 45,000 vehicles a day, roughly 3% of them trucks, projected to reach 61,875 by 2044. The structure is 1,534 ft (467.7 m) long and 49 ft wide. 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 |
|---|---|---|
| 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-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st built?
It was built in 1977, making it 48 years old in 2025.
What condition is I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st 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 November 2024.
How much traffic does I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st carry?
About 45,000 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st?
The structure is 1,534 ft (467.7 m) long with a longest span of 182 ft (55.6 m) and a deck 49 ft wide.
Who owns I-275SB - I-175EB over 4&5 Av 275 SB Ramp 16st?
It is owned by the State Highway Agency.