US Bridges

I-75 NB on Ramp over Old Big Bend Road

Good

Hillsborough County, Florida · 0.13 MI N/O CR-672 · Structure no. 100863

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB on Ramp over Old Big Bend Road is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB on Ramp over Old Big Bend Road in Hillsborough County, Florida. It was built in 2023, so it is 2 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 2,400 vehicles a day, roughly 15% of them trucks, projected to reach 3,200 by 2042. The structure is 92 ft (28 m) long and 74 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesI-75 NB on Ramp
CrossesOld Big Bend Road
Location0.13 MI N/O CR-672
RouteInterstate 75
CountyHillsborough County
StateFlorida
Coordinates27.79361, -82.35532
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.4 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHL 93
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width74 ft (22.6 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic3,200 by 2042
Trucks15%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 on Ramp over Old Big Bend Road built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-75 NB on Ramp over Old Big Bend Road 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 on Ramp over Old Big Bend Road carry?

About 2,400 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-75 NB on Ramp over Old Big Bend Road?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 74 ft wide.

Who owns I-75 NB on Ramp over Old Big Bend Road?

It is owned by the State Highway Agency.