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Project Details
Work Type Capacity Improvements
Phase Construction
Limits from north of I-4 to north of US 92 (Hillsborough Ave)
Project Start October 25, 2021
Length 2.5 miles
City
County
Road
Construction Cost $96.7 million *
Estimated Completion Summer 2025
Contractor Lane Construction Corporation
About

Click to view the I-275 Virtual Open House Tour

The $96.7 million capacity improvement project is adding one lane in each direction to I-275 from north of I-4 to north of Hillsborough Avenue (US 92) using the existing right-of-way.

Other improvements include constructing noise barrier walls along the corridor, installing fencing and Intelligent Transportation System (ITS) devices, and reconstructing the overpasses between Floribraska Avenue and Hillsborough Avenue. 

Construction activities are taking place during the daytime and nighttime hours. Work requiring lane closures will occur at night between 9 p.m. and 6:30 a.m. Occasionally, interstate ramps may close at night between 11 p.m. and 5 a.m.

Due to high traffic volumes, some of the work will be done overnight. To construct the project, heavy machinery will be used during daytime and nighttime hours. Concrete and asphalt work may produce noise, vibration, and require the use of bright lights during nighttime work.

Construction progress as of September 2024: 

- 100% of gravity walls constructed
- 100% of Mechanically Stabilized Earth (MSE) walls constructed
- 100% of bridge decks widened
- 92% of concrete pavement widened
- 100% of noise barrier walls constructed
- 100% of sign structures installed
- 95% of drainage installed
- 97% of sidewalks completed

This project is expected to finish summer of 2025.

To receive construction updates and traffic alerts via email, be sure to subscribe above.

*Construction cost includes original construction contract amount plus approved contract changes. It does not include inspection oversight.

Need information on the ongoing closure of Floribraska Avenue under I-275? 
Please visit the following link or contact the City of Tampa directly at 813-635-3400. 

View Factsheet
Contact Information
Project Information
Maricelle Venegas
813-975-6204
Maricelle.Venegas@dot.state.fl.us
Media Contact
Kris Carson
813-975-6060
Kristen.Carson@dot.state.fl.us
Closures
  • I-275 from north of the I-4 interchange to north of Hillsborough Avenue
    Lane closures: Sunday, October 6 through Thursday, October 10 nights from 9 p.m. to 6:30 a.m.

    US 92 (Hillsborough Avenue) from Florida Avenue to Nebraska Avenue
    Lane closures: Sunday, October 6 through Thursday, October 10 nights from 9 p.m. to 6 a.m.

    SR 574 (Dr. Martin Luther King Jr. Boulevard) from Florida Avenue to Nebraska Avenue
    Lane closures: Sunday, October 6 through Thursday, October 10 nights from 9 p.m. to 6 a.m.

Project Files
Project Videos
Project Images
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I-275 Soil Anchors & Lagging Wall Installation Looking South May 2022
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I-275 Lagging Wall Looking South May 2022
Hillsborough Ave Overpass Lagging Wall Looking West May 2022
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Chelsea Street Overpass Concrete Sidewalk & Slope Pavement Looking East May 2022
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I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (March 2022)
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I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (December 2021)
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I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (December 2021)
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I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (October 2021)
I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (October 2021)
I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (September 2021)
I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (September 2021)
I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (September 2021)
I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (September 2021)
I-275 Capacity Improvements from north of I-4 to Hillsborough Ave (September 2021)