US Bridges

I-75 NB (SR-93A) over SR-60

Good

Hillsborough County, Florida · Intersection SR-60&I-75 · Structure no. 100496

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
4 main spans
Daily traffic
48,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB (SR-93A) over SR-60 is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB (SR-93A) over SR-60 in Hillsborough County, Florida. It was built in 1985, so it is 40 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 48,000 vehicles a day, roughly 16% of them trucks, projected to reach 83,280 by 2042. The structure is 290 ft (88.5 m) long and 68 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-75 NB (SR-93A)
CrossesSR-60
LocationIntersection SR-60&I-75
RouteInterstate 75
CountyHillsborough County
StateFlorida
Coordinates27.94153, -82.3292
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.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 rating65 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length290 ft (88.5 m)
Longest span105 ft (32 m)
Deck width68 ft (20.6 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,000 (2023)
Projected traffic83,280 by 2042
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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-75 NB (SR-93A) over SR-60 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I-75 NB (SR-93A) 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 October 2023.

How much traffic does I-75 NB (SR-93A) over SR-60 carry?

About 48,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-75 NB (SR-93A) over SR-60?

The structure is 290 ft (88.5 m) long with a longest span of 105 ft (32 m) and a deck 68 ft wide.

Who owns I-75 NB (SR-93A) over SR-60?

It is owned by the State Highway Agency.