US Bridges

I-75SB to SR-582 over Cowhouse Creek

Good

Hillsborough County, Florida · 0.3MI North of SR-582 · Structure no. 100480

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
341 ft
4 main spans
Daily traffic
7,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-75SB to SR-582 over Cowhouse Creek is a prestressed concrete stringer/multi-beam or girder carrying I-75SB to SR-582 over Cowhouse Creek in Hillsborough County, Florida. It was built in 1984, so it is 41 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 7,100 vehicles a day, roughly 9% of them trucks, projected to reach 12,318 by 2042. The structure is 341 ft (104 m) long and 31 ft wide.

CarriesI-75SB to SR-582
CrossesCowhouse Creek
Location0.3MI North of SR-582
RouteInterstate 75
StateFlorida
Coordinates28.0582, -82.35426
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating78 US tons
Inventory rating69 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length341 ft (104 m)
Longest span90 ft (27.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2023)
Projected traffic12,318 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75SB to SR-582 over Cowhouse Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-75SB to SR-582 over Cowhouse Creek 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 November 2023.

How much traffic does I-75SB to SR-582 over Cowhouse Creek carry?

About 7,100 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-75SB to SR-582 over Cowhouse Creek?

The structure is 341 ft (104 m) long with a longest span of 90 ft (27.5 m) and a deck 31 ft wide.

Who owns I-75SB to SR-582 over Cowhouse Creek?

It is owned by the State Highway Agency.