US Bridges

SR 589 Vet NB 7.9 over Rocky Creek I

Fair

Hillsborough County, Florida · 1.4MI S of Gunn HWY · Structure no. 100545

Built
1994
31 years old, rebuilt 2016
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
341 ft
5 main spans
Daily traffic
37,200
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 589 Vet NB 7.9 over Rocky Creek I is a prestressed concrete stringer/multi-beam or girder carrying SR 589 Vet NB 7.9 over Rocky Creek I in Hillsborough County, Florida. It was built in 1994 and reconstructed in 2016, so it is 31 years old, younger 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 37,200 vehicles a day, roughly 14% of them trucks, projected to reach 64,542 by 2044. The structure is 341 ft (104 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 589 Vet NB 7.9
CrossesRocky Creek I
Location1.4MI S of Gunn HWY
RouteState Highway 589
StateFlorida
Coordinates28.04758, -82.56819
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length341 ft (104 m)
Longest span69 ft (20.9 m)
Deck width83 ft (25.4 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,200 (2022)
Projected traffic64,542 by 2044
Trucks14%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 SR 589 Vet NB 7.9 over Rocky Creek I built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2016.

What condition is SR 589 Vet NB 7.9 over Rocky Creek I 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 February 2024.

How much traffic does SR 589 Vet NB 7.9 over Rocky Creek I carry?

About 37,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR 589 Vet NB 7.9 over Rocky Creek I?

The structure is 341 ft (104 m) long with a longest span of 69 ft (20.9 m) and a deck 83 ft wide.

Who owns SR 589 Vet NB 7.9 over Rocky Creek I?

It is owned by the State Toll Authority.