US Bridges

I-275SB to I-375EB over I275NB&ALT-19(5th Ave N)

Fair

Pinellas County, Florida · I275SB at I-375EB Ramp · Structure no. 150124

Built
1977
48 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,194 ft
5 main spans
Daily traffic
34,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-275SB to I-375EB over I275NB&ALT-19(5th Ave N) is a steel continuous stringer/multi-beam or girder carrying I-275SB to I-375EB over I275NB&ALT-19(5th Ave N) 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 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 34,000 vehicles a day, roughly 3% of them trucks, projected to reach 58,990 by 2044. The structure is 1,194 ft (364 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-275SB to I-375EB
CrossesI275NB&ALT-19(5th Ave N)
LocationI275SB at I-375EB Ramp
RouteInterstate 375
StateFlorida
Coordinates27.77664, -82.65833
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.8 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+6 approach)
Design loadHS 20 + Mod
Structure length1,194 ft (364 m)
Longest span156 ft (47.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2024)
Projected traffic58,990 by 2044
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275SB to I-375EB over I275NB&ALT-19(5th Ave N) built?

It was built in 1977, making it 48 years old in 2025.

What condition is I-275SB to I-375EB over I275NB&ALT-19(5th Ave N) 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 November 2024.

How much traffic does I-275SB to I-375EB over I275NB&ALT-19(5th Ave N) carry?

About 34,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is I-275SB to I-375EB over I275NB&ALT-19(5th Ave N)?

The structure is 1,194 ft (364 m) long with a longest span of 156 ft (47.5 m) and a deck 43 ft wide.

Who owns I-275SB to I-375EB over I275NB&ALT-19(5th Ave N)?

It is owned by the State Highway Agency.