US Bridges

SR 589 Vet SB 9.5 over Rocky Creek II

Good

Hillsborough County, Florida · 0.2 MI North of Gunn HWY · Structure no. 100550

Built
1994
31 years old, rebuilt 2017
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
4 main spans
Daily traffic
37,200
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 589 Vet SB 9.5 over Rocky Creek II is a prestressed concrete stringer/multi-beam or girder carrying SR 589 Vet SB 9.5 over Rocky Creek II in Hillsborough County, Florida. It was built in 1994 and reconstructed in 2017, 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 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 37,200 vehicles a day, roughly 14% of them trucks, projected to reach 64,542 by 2044. The structure is 300 ft (91.4 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 589 Vet SB 9.5
CrossesRocky Creek II
Location0.2 MI North of Gunn HWY
RouteState Highway 589
StateFlorida
Coordinates28.06885, -82.56575
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length300 ft (91.4 m)
Longest span75 ft (22.9 m)
Deck width93 ft (28.4 m)
Roadway width92 ft (28 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
CarriesOverpass structure at an interchange
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 SB 9.5 over Rocky Creek II built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2017.

What condition is SR 589 Vet SB 9.5 over Rocky Creek II 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 March 2024.

How much traffic does SR 589 Vet SB 9.5 over Rocky Creek II carry?

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

How long is SR 589 Vet SB 9.5 over Rocky Creek II?

The structure is 300 ft (91.4 m) long with a longest span of 75 ft (22.9 m) and a deck 93 ft wide.

Who owns SR 589 Vet SB 9.5 over Rocky Creek II?

It is owned by the State Toll Authority.