Interstate 275 South - St. Petersburg

Interstate 275 angles southwest from SR 688 one mile to a diamond and two-wye interchange (Exit 30) with SR 686 (Roosevelt Boulevard) and SR 690 (Gateway Expressway) to CR 296 (118th Avenue N / Bryan Dairy Road) west.

02/15/26

The exit to the tolled Gateway Expressway is the lone connection from the I-275 Express Lanes.

04/26/24

The Gateway Expressway system, SR 690 west to U.S. 19 and SR 686A west to CR 611 at the Bayside Bridge, opened to traffic on April 26, 2024.

02/15/26

04/26/24

Underway from August 2017 to Summer 2021 early 2023 Spring 2024, the Gateway Expressway Project included constructing the initial stretch of the I-275 Express Lanes.

02/15/26

SR 686 (Roosevelt Boulevard) branches three miles northwest from SR 694 (Gandy Freeway) in the Gateway area of St. Petersburg to SR 688 (Ulmerton Road) by Feather Sound. SR 690 (Gateway Expressway) links I-275 with 118th Avenue N (CR 296) before transitioning into a toll road.

02/15/26

The elevated toll road system for SR 690 west parallels 118th Avenue N to U.S. 19. Partially alongside SR 686, SR 686A runs northwest from 40th Street N to PIE Airport and Roosevelt Boulevard at CR 611 (49th Street N).

04/26/24

Exit 30 partitions into ramps for SR 686 (Roosevelt Boulevard) to Largo and the Gateway area in St. Petersburg, and SR 690 (Gateway Expressway) to CR 296 (118th Avenue N) west to Pinellas Park.

02/15/26

Previous expansion completed in February 2011 at Exit 30 added the flyover linking I-275 north with CR 296 (118th Avenue N) / SR 690 west.

01/11/24

Interstate 275 turns southward ahead of Exit 28 to State Road 694 (Gandy Boulevard). Gandy Boulevard extends west from the Gandy Bridge and U.S. 92 along an elevated freeway between 4th Street N and 16th Street N.

09/14/25

The Florida Department of Transportation recorded 140,500 vehicles per day along I-275 south between SR 686 and SR 694 in 2024. This stretch had 122,500 vpd in 2022 and 139,000 vpd in 2018.

09/14/25

SR 694 transitions onto Park Boulevard, a commercial arterial west from U.S. 19 (34th Street N) 2.69 miles to SR 693 (66th Street N).

09/14/25

CR 694 extends Park Boulevard 6.99 miles west from SR 693 (66th Street N) to Seminole and SR 699 (Gulf Boulevard) at Indian Shores.

09/14/25

Exit 28 connects I-275 south with SR 694 (Gandy Boulevard) westbound ahead of the signalized intersection with Grand Boulevard / 28th Street N. A SPUI with U.S. 19 (34th Street N) follows by the Shoppes of Park Place.

09/14/25

SR 694 (Gandy Boulevard / Park Boulevard) runs west across the city of Pinellas Park to 78 Street N. The city of Seminole lies west of Cross Bayou Canal. The town of Indian Shores stretches along the barrier island beyond The Narrows / Intracoastal Waterway.

03/26/25

The I-275 Express Lane concludes south beyond the exchange with SR 694 (Gandy Boulevard).

04/26/24

The outside shoulder of southbound I-275 is part of Bus Rapid Transit (BRT) south from SR 694 (Gandy Boulevard) to 54th Avenue N.

09/03/21

Construction started on August 11, 2025 extends the I-275 managed lanes south to 38th Avenue N. The $340 million project runs through late 2030 (FDOT, 2026).

04/26/24

Interstate 275 runs along the east side of Sawgrass Lake Park. The Pinellas County park features hiking trails, a boardwalk and viewing areas for turtles and alligators in their natural habitat.

04/28/24

Interstate 275 makes the first of several S-curves through the city of St. Petersburg along the Meadowlawn neighborhood preceding Exit 26 with 54th Avenue N (CR 202).

04/14/20

54th Avenue N (CR 202) travels west from Interstate 275 through unincorporated Lealman to the town of Kenneth City.

04/14/20

7.06 miles in length and signed in unincorporated areas of Pinellas County, CR 202 overlays 54th Avenue N west to CR 1 (Park Street) at Seminole and east to U.S. 92/SR 687 (4th Street N) at Edgemoor in St. Petersburg.

08/20/22

A six-ramp parclo interchange joins Interstate 275, 54th Avenue N and 22nd Street N at Exit 26.

04/26/24

54th Avenue N (CR 202) west through Lealman connects with Haines Avenue (CR 691), a former route of U.S. 19 southeast from Pinellas Park into St. Petersburg.

03/26/25

54th Avenue N runs 2.51 miles between U.S. 19 (34th Street N) and U.S. 92 (4th Street N) in St. Petersburg.

03/26/25

Bus Rapid Transit (BRT) use of the outside shoulder is discontinuous through the exchange with 54th Avenue N.

09/03/21

Straddling the St. Petersburg city line east of Lealman, I-275 advances one mile south to a diamond interchange (Exit 25) with 38th Avenue N (CR 184).

08/20/22

County Road 184 (38th Avenue N) west connects I-275 with U.S. 19 Alternate (Tyrone Boulevard) north to SR 666 (Tom Stuart Causeway) by Bay Pines. SR 666 spans the Intracoastal Waterway southwest to SR 699 (Gulf Boulevard) for Madeira and Redington Beaches.

04/14/20

38th Avenue N serves the St. Pete Heights and Station View neighborhoods to the west and Oakwood Gardens and Harris Park to the east The urban arterial forms part of the St. Petersburg street grid system, where numbered avenues decrease southward to Central Avenue.

08/20/22

A lane drop occurs at Exit 25 for 38th Avenue N. 38th Avenue N leads east to U.S. 92 (4th Street N) at Northeast shopping center and west from U.S. 19 (34th Street N) through the Disston Heights and Jungle Terrace communities in west St. Petersburg.

08/20/22

BRT usage of the outside shoulder along Interstate 275 southbound resumes ahead of the 38th Avenue N underpass.

09/03/21

U.S. 19/92 trailblazers stand along the off-ramps for 38th Avenue N from I-275. The parallel US highways represent the main retail corridors through St. Petersburg.

02/21/06

22nd Avenue N joins Interstate 275 with the Ponce DeLeon, Woodlawn, and Euclid neighborhoods in one mile.

04/14/20

The final stretch of BRT along Interstate 275 south extends from 38th Avenue N to Exit 24.

09/03/21

Interstate 275 ascends across 30th Avenue N beyond this confirming marker by St. Pete Heights.

04/14/20

A series of S-curves precede the exchanges with SR 595 (5th Avenue N), I-375 (North Bay Drive) and I-175 (South Bay Drive) for Downtown St. Petersburg.

08/20/22

Exit 24 parts ways with Interstate 275 south beyond the pedestrian bridge at 27th Avenue N.

08/20/22

22nd Avenue N (CR 690) west extends to U.S. 19 Alternate (Tyrone Boulevard) and SR 693 (66th Street N) at Tyrone Square Mall.

09/03/21

22nd Avenue N east passes between the Crescent Lake and Crescent Heights neighborhoods and meets U.S. 92 (4th Street N) across from Historic Old Northeast. Sunken Gardens, a botanical garden with an array of tropical plants, lies two blocks south of 22nd Avenue along 4th Street N.

09/03/21

Southbound I-275 expands to four lanes from the 22nd Avenue N entrance ramp to Left Exit 23A for Interstate 375 (North Bay Drive). I-375 comprises a 1.12 mile long freeway spur between the Historic Uptown neighborhood and Downtown St. Petersburg.

08/20/22

I-275 crosses over a CSX Railroad line beyond this confirming marker by the North Kenwood neighborhood.

04/03/20

Exit 23 B follows for SR 595/U.S. 19 Alternate (5th Avenue N) at Historic Kenwood.

08/20/22

Continuing south by Booker Creek Park, two lanes depart I-275 south in a third of a mile for I-375 (North Bay Drive). North Bay Drive is signed as the most direct route to both Sundial, a retail complex Downtown, and The Pier, St. Petersburg's municipal slip into Tampa Bay.

08/20/22

A half diamond interchange (Exit 23 B) joins I-275 with U.S. 19 ALT/SR 595 (5th Avenue N) ahead of the multi level exchange (Exit 23 A) with Interstate 375.

08/20/22

Although not acknowledged from I-275, SR 595 doubles as U.S. 19 Alternate. SR 595 is the hidden counterpart of U.S. 19 Alternate from SR 687 (4th Street N) and U.S. 92 at Downtown St. Petersburg north to Seminole and Largo. The state road is partially signed along 4th/5th Avenue N by I-275.

01/13/17

U.S. 19 ALT/SR 595 follow 5th Avenue N west to Tyrone Boulevard. 5th Avenue N continues to SR 693 (66th Street), which connects Pinellas Park with South Pasadena, St. Pete Beach and Treasure Island via Central Avenue west.

01/13/17

I-275 south arrives at Left Exit 23 A for I-375 (North Bay Drive). I-375 (unsigned SR 592) weaves east between the couplet of 4th and 5th Avenues N (U.S. 19 ALT) to St. Petersburg Coliseum at 5th Street N. Interstate 175 (South Bay Drive) spurs east from the ensuing left exit by Tropicana Field to 4th Street S (SR 687) by USF St. Petersburg.

08/20/22

Interstate 275 elevates southward across Central Avenue and the St. Petersburg street grid to the three wye interchange (Exit 22) with I-175 (South Bay Drive) east. I-175 is slightly longer than I-375 at 1.28 miles in length.

08/20/22

Interstate 175 (SR 594) provides a high speed route east to the south end of Downtown and the St. Petersburg waterfront for Al Lang Stadium, Duke Energy Center for the Arts - Mahaffey Theater and the Dali Museum.

08/20/22

Interstate 275 arcs southwest from I-175 to the Palmetto Park neighborhood at 28th Street S / Exit 21.

04/03/20

A small distance sign preceding Exit 22 references St. Pete Beach in 4 miles via SR 682 (Pinellas Bayway) west from Exit 17 and the Manatee County seat of Bradenton in 17 miles via U.S. 19 and U.S. 41 south.

08/20/22

Southbound traffic bottlenecks to two lanes at Left Exit 22 for Interstate 175. Ramps along South Bay Drive connect with the couplet of Dr. Martin Luther King, Jr. and 8th Street S at Campbell Park and Tropicana Field (home of the MLB Tampa Bay Rays).

04/14/20

A half diamond interchange (Exit 21) joins southbound Interstate 275 with 28th Street S in a half mile.

08/20/22

Reassurance shield posted for Interstate 275 between the west end of I-175 and the 22nd Street S underpass.

08/20/22

28th Street S leads south from the Central Avenue Business District to Del Holmes Park on Lake Maggiore. Serving a variety of residential, commercial, and industrial areas, 28th Street extends north to 62nd Avenue N at Lealman.

08/20/22

The split diamond interchange (Exit 19) with 22nd Avenue S (CR 138) is the third to last exit for St. Petersburg along southbound I-275.

08/20/22

22nd Avenue S leads west from Highland Oaks in South St. Petersburg to become Gulfport Boulevard en route to the city of South Pasadena. Pinellas County Road 138 follows the four lane boulevard for 3.85 miles from U.S. 19 (34th Street S) to SR 693 (Pasadena Avenue S).

08/20/22

22nd Avenue S east extends to the Tropical Shores community on Tampa Bay and west across the city of Gulfport to SR 693 south across Corey Causeway to St. Pete Beach.

08/20/22

A ramp stub precedes the 18th Avenue S underpass ahead of Exit 19 for 22nd Avenue S. The stub was built for the unconstructed St. Petersburg-Clearwater Expressway.

08/20/22

A wide outside shoulder at 22nd Avenue S alludes to the unbuilt St. Petersburg-Clearwater Expressway, which would have connected U.S. 19 ALT/SR 666 at Bay Pines with I-275 at 31st Street S.

08/20/22

Forthcoming SR 682 travels 3.72 miles west from I-275 across the Pinellas Bayway to St. Pete Beach and Pass-A-Grille.

08/20/22

Interstate 275 shifts eastward between parallel U.S. 19 (34th Street S) and 31st Street S ahead of Exit 17 with SR 682.

05/18/19

Pinellas Bayway is a tolled bridge system spanning waters of Boca Ciega Bay west across Bayway Isle and Isla del Sol and south to Tierra Verde and Mullet Key.

08/20/22

Southbound Interstate 275 reaches Exit 17 for SR 682 (Pinellas Bayway) west to SR 699 (Gulf Boulevard) at St. Pete Beach and 54th Avenue S east to the Lakewood Estates and Bayou Highlands neighborhoods in South St. Petersburg.

08/20/22

The roadways along Interstate 275 invert as they cross over 54th Avenue S. The configuration was a compromise made to reduce impacts of the freeway on adjacent land owned by Eckerd College.

04/14/20

Exit 17 separates into ramps for SR 682 west at U.S. 19 and Eckerd College and 54th Avenue S east to Arlington Park.

08/20/22

The Pinellas Bayway connects Interstate 275 with adjacent Eckerd College and Fort DeSoto Park, a county maintained facility on the islands protruding outward into Tampa Bay, via SR 679 (Pinellas Bayway South).

05/25/19