US Bridges

I-275 over Broad Street

Good

Hillsborough County, Florida · 1.4 MI N of US-92 · Structure no. 100216

Built
1967
58 years old, rebuilt 2014
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
165,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 over Broad Street is a prestressed concrete stringer/multi-beam or girder carrying I-275 over Broad Street in Hillsborough County, Florida. It was built in 1967 and reconstructed in 2014, so it is 58 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 165,000 vehicles a day, roughly 6% of them trucks, projected to reach 286,275 by 2044. The structure is 135 ft (41.1 m) long and 138 ft wide.

CarriesI-275
CrossesBroad Street
Location1.4 MI N of US-92
RouteInterstate 275
StateFlorida
Coordinates28.01612, -82.45494
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 inspectionJuly 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 rating49.1 US tons
Inventory rating43.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span68 ft (20.7 m)
Deck width138 ft (42.1 m)
Roadway width132 ft (40.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165,000 (2024)
Projected traffic286,275 by 2044
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Broad Street built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2014.

What condition is I-275 over Broad Street 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 July 2024.

How much traffic does I-275 over Broad Street carry?

About 165,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is I-275 over Broad Street?

The structure is 135 ft (41.1 m) long with a longest span of 68 ft (20.7 m) and a deck 138 ft wide.

Who owns I-275 over Broad Street?

It is owned by the State Highway Agency.