US Bridges

I-275 over Bougainvillea Ave.

Good

Hillsborough County, Florida · 0.7 Mi. North of SR-580 · Structure no. 100243

Built
1966
59 years old, rebuilt 2002
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
149,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 over Bougainvillea Ave. is a prestressed concrete stringer/multi-beam or girder carrying I-275 over Bougainvillea Ave. in Hillsborough County, Florida. It was built in 1966 and reconstructed in 2002, so it is 59 years old, older 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 149,000 vehicles a day, roughly 5% of them trucks, projected to reach 258,515 by 2044. The structure is 133 ft (40.5 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-275
CrossesBougainvillea Ave.
Location0.7 Mi. North of SR-580
RouteInterstate 275
StateFlorida
Coordinates28.04357, -82.45491
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 inspectionMay 2024
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 rating80.2 US tons
Inventory rating48.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span67 ft (20.4 m)
Deck width114 ft (34.7 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic149,000 (2024)
Projected traffic258,515 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 over Bougainvillea Ave. built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2002.

What condition is I-275 over Bougainvillea Ave. 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 May 2024.

How much traffic does I-275 over Bougainvillea Ave. carry?

About 149,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is I-275 over Bougainvillea Ave.?

The structure is 133 ft (40.5 m) long with a longest span of 67 ft (20.4 m) and a deck 114 ft wide.

Who owns I-275 over Bougainvillea Ave.?

It is owned by the State Highway Agency.