US Bridges

I-4 EB to I-75 NB over Ramp D-1 to I-75 NB

Good

Hillsborough County, Florida · 0.2 MI North of I-4 · Structure no. 100848

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
16,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-4 EB to I-75 NB over Ramp D-1 to I-75 NB is a prestressed concrete stringer/multi-beam or girder carrying I-4 EB to I-75 NB over Ramp D-1 to I-75 NB in Hillsborough County, Florida. It was built in 2017, so it is 8 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 16,000 vehicles a day, roughly 9% of them trucks, projected to reach 27,760 by 2042. The structure is 81 ft (24.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-4 EB to I-75 NB
CrossesRamp D-1 to I-75 NB
Location0.2 MI North of I-4
RouteInterstate 75
CountyHillsborough County
StateFlorida
Coordinates28.00553, -82.327
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
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 rating56.2 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length81 ft (24.7 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic16,000 (2023)
Projected traffic27,760 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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-4 EB to I-75 NB over Ramp D-1 to I-75 NB built?

It was built in 2017, making it 8 years old in 2025.

What condition is I-4 EB to I-75 NB over Ramp D-1 to I-75 NB 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 November 2023.

How much traffic does I-4 EB to I-75 NB over Ramp D-1 to I-75 NB carry?

About 16,000 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-4 EB to I-75 NB over Ramp D-1 to I-75 NB?

The structure is 81 ft (24.7 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns I-4 EB to I-75 NB over Ramp D-1 to I-75 NB?

It is owned by the State Highway Agency.