US Bridges

I-75 NB over Cypress Creek

Fair

Hillsborough County, Florida · 3MI N of CR-581 · Structure no. 100413

Built
1982
43 years old, rebuilt 2014
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
44,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 NB over Cypress Creek is a prestressed concrete stringer/multi-beam or girder carrying I-75 NB over Cypress Creek in Hillsborough County, Florida. It was built in 1982 and reconstructed in 2014, so it is 43 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 44,000 vehicles a day, roughly 18% of them trucks, projected to reach 76,340 by 2042. The structure is 203 ft (61.9 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-75 NB
CrossesCypress Creek
Location3MI N of CR-581
RouteInterstate 75
StateFlorida
Coordinates28.16172, -82.39438
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length203 ft (61.9 m)
Longest span68 ft (20.7 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,000 (2023)
Projected traffic76,340 by 2042
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 NB over Cypress Creek built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2014.

What condition is I-75 NB over Cypress Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does I-75 NB over Cypress Creek carry?

About 44,000 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I-75 NB over Cypress Creek?

The structure is 203 ft (61.9 m) long with a longest span of 68 ft (20.7 m) and a deck 59 ft wide.

Who owns I-75 NB over Cypress Creek?

It is owned by the State Highway Agency.