US Bridges

I-275 NB over North Blvd.

Fair

Hillsborough County, Florida · 2.3 MI East of US-92 · Structure no. 100705

Built
2009
16 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
114,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-275 NB over North Blvd. is a prestressed concrete stringer/multi-beam or girder carrying I-275 NB over North Blvd. in Hillsborough County, Florida. It was built in 2009, so it is 16 years old, younger 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 114,000 vehicles a day, roughly 7% of them trucks, projected to reach 197,790 by 2044. The structure is 123 ft (37.5 m) long and 89 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-275 NB
CrossesNorth Blvd.
Location2.3 MI East of US-92
RouteInterstate 275
CountyHillsborough County
StateFlorida
Coordinates27.95575, -82.46841
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.7 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length123 ft (37.5 m)
Longest span123 ft (37.5 m)
Deck width89 ft (27.1 m)
Roadway width88 ft (26.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic114,000 (2022)
Projected traffic197,790 by 2044
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 North Blvd. built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-275 NB over North Blvd. 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 August 2023.

How much traffic does I-275 NB over North Blvd. carry?

About 114,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is I-275 NB over North Blvd.?

The structure is 123 ft (37.5 m) long with a longest span of 123 ft (37.5 m) and a deck 89 ft wide.

Who owns I-275 NB over North Blvd.?

It is owned by the State Highway Agency.