US Bridges

I-275 SB Ramp P over I-275 SB Ramp N

Good

Hillsborough County, Florida · 0.5 MI E/O SR-587 · Structure no. 100816

Built
2013
12 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete
Length
154 ft
1 main span
Daily traffic
12,500
2025 count
Owner
State
State Highway Agency

About this bridge

I-275 SB Ramp P over I-275 SB Ramp N is a concrete slab carrying I-275 SB Ramp P over I-275 SB Ramp N in Hillsborough County, Florida. It was built in 2013, so it is 12 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 12,500 vehicles a day, roughly 6% of them trucks, projected to reach 15,325 by 2045. The structure is 154 ft (46.9 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-275 SB Ramp P
CrossesI-275 SB Ramp N
Location0.5 MI E/O SR-587
RouteInterstate 275
StateFlorida
Coordinates27.95083, -82.51639
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 inspectionFebruary 2025
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 alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length154 ft (46.9 m)
Longest span38 ft (11.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2025)
Projected traffic15,325 by 2045
Trucks6%
Lanes on structure2
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 SB Ramp P over I-275 SB Ramp N built?

It was built in 2013, making it 12 years old in 2025.

What condition is I-275 SB Ramp P over I-275 SB Ramp N 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 February 2025.

How much traffic does I-275 SB Ramp P over I-275 SB Ramp N carry?

About 12,500 vehicles per day (2025 count), of which roughly 6% are trucks.

How long is I-275 SB Ramp P over I-275 SB Ramp N?

The structure is 154 ft (46.9 m) long with a longest span of 38 ft (11.5 m) and a deck 43 ft wide.

Who owns I-275 SB Ramp P over I-275 SB Ramp N?

It is owned by the State Highway Agency.