US Bridges

I-75 NB Ramp B-3 over SR-60

Good

Hillsborough County, Florida · Intersection SR-60 & I-75 · Structure no. 100851

Built
2021
4 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
272 ft
2 main spans
Daily traffic
4,300
2025 count
Owner
State
State Highway Agency

About this bridge

I-75 NB Ramp B-3 over SR-60 is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB Ramp B-3 over SR-60 in Hillsborough 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 4,300 vehicles a day, roughly 7% of them trucks, projected to reach 5,375 by 2045. The structure is 272 ft (82.8 m) long and 46 ft wide.

CarriesI-75 NB Ramp B-3
CrossesSR-60
LocationIntersection SR-60 & I-75
RouteInterstate 75
StateFlorida
Coordinates27.941, -82.32908
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length272 ft (82.8 m)
Longest span163 ft (49.6 m)
Deck width46 ft (14 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2025)
Projected traffic5,375 by 2045
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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-75 NB Ramp B-3 over SR-60 built?

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

What condition is I-75 NB Ramp B-3 over SR-60 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-75 NB Ramp B-3 over SR-60 carry?

About 4,300 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is I-75 NB Ramp B-3 over SR-60?

The structure is 272 ft (82.8 m) long with a longest span of 163 ft (49.6 m) and a deck 46 ft wide.

Who owns I-75 NB Ramp B-3 over SR-60?

It is owned by the State Highway Agency.