US Bridges

I-275 NB Exit Ramp over I-275 NB

Good

Pinellas County, Florida · 0.1 MI N/O SR-686 · Structure no. 150312

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
562 ft
5 main spans
Daily traffic
37,200
2023 count
Owner
State
State Highway Agency

About this bridge

I-275 NB Exit Ramp over I-275 NB is a prestressed concrete stringer/multi-beam or girder carrying I-275 NB Exit Ramp over I-275 NB in Pinellas County, Florida. It was built in 2021, so it is 4 years old, younger 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 37,200 vehicles a day, roughly 4% of them trucks, projected to reach 40,100 by 2042. The structure is 562 ft (171.3 m) long and 68 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-275 NB Exit Ramp
CrossesI-275 NB
Location0.1 MI N/O SR-686
RouteInterstate 275
CountyPinellas County
StateFlorida
Coordinates27.88011, -82.65794
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.2 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length562 ft (171.3 m)
Longest span155 ft (47.2 m)
Deck width68 ft (20.6 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,200 (2023)
Projected traffic40,100 by 2042
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Exit Ramp over I-275 NB built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-275 NB Exit Ramp over I-275 NB 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 August 2023.

How much traffic does I-275 NB Exit Ramp over I-275 NB carry?

About 37,200 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is I-275 NB Exit Ramp over I-275 NB?

The structure is 562 ft (171.3 m) long with a longest span of 155 ft (47.2 m) and a deck 68 ft wide.

Who owns I-275 NB Exit Ramp over I-275 NB?

It is owned by the State Highway Agency.