US Bridges

I-275 NB over I275SB & Ramp to 54 Av S

Fair

Pinellas County, Florida · 1.5 MI S of 26th Ave S · Structure no. 150185

Built
1983
42 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
393 ft
2 main spans
Daily traffic
46,750
2022 count
Owner
State
State Highway Agency

About this bridge

I-275 NB over I275SB & Ramp to 54 Av S is a steel continuous stringer/multi-beam or girder carrying I-275 NB over I275SB & Ramp to 54 Av S in Pinellas County, Florida. It was built in 1983, so it is 42 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 46,750 vehicles a day, roughly 6% of them trucks, projected to reach 81,111 by 2044. The structure is 393 ft (119.7 m) long and 71 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-275 NB
CrossesI275SB & Ramp to 54 Av S
Location1.5 MI S of 26th Ave S
RouteInterstate 275
CountyPinellas County
StateFlorida
Coordinates27.72264, -82.67747
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length393 ft (119.7 m)
Longest span197 ft (59.9 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,750 (2022)
Projected traffic81,111 by 2044
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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-275 NB over I275SB & Ramp to 54 Av S built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-275 NB over I275SB & Ramp to 54 Av S 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 July 2023.

How much traffic does I-275 NB over I275SB & Ramp to 54 Av S carry?

About 46,750 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I-275 NB over I275SB & Ramp to 54 Av S?

The structure is 393 ft (119.7 m) long with a longest span of 197 ft (59.9 m) and a deck 71 ft wide.

Who owns I-275 NB over I275SB & Ramp to 54 Av S?

It is owned by the State Highway Agency.