US Bridges

I-75 NB Ramp over Mlk to I-75 NB Ramp

Good

Hillsborough County, Florida · 0.3MI N/O Mlk Blvd SR-574 · Structure no. 100871

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
1 main span
Daily traffic
35,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 NB Ramp over Mlk to I-75 NB Ramp is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB Ramp over Mlk to I-75 NB Ramp in Hillsborough County, Florida. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,000 vehicles a day, roughly 8% of them trucks, projected to reach 60,725 by 2044. The structure is 168 ft (51.2 m) long and 43 ft wide.

Location

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CarriesI-75 NB Ramp
CrossesMlk to I-75 NB Ramp
Location0.3MI N/O Mlk Blvd SR-574
RouteInterstate 75
CountyHillsborough County
StateFlorida
Coordinates27.98561, -82.32584
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
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 rating63.1 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length168 ft (51.2 m)
Longest span168 ft (51.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic35,000 (2024)
Projected traffic60,725 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 over Mlk to I-75 NB Ramp built?

It was built in 2024, making it 1 years old in 2025.

What condition is I-75 NB Ramp over Mlk to I-75 NB Ramp 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 May 2024.

How much traffic does I-75 NB Ramp over Mlk to I-75 NB Ramp carry?

About 35,000 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is I-75 NB Ramp over Mlk to I-75 NB Ramp?

The structure is 168 ft (51.2 m) long with a longest span of 168 ft (51.2 m) and a deck 43 ft wide.

Who owns I-75 NB Ramp over Mlk to I-75 NB Ramp?

It is owned by the State Highway Agency.