US Bridges

SR-580 over Double Branch Canal

Good

Hillsborough County, Florida · 6 Miles West of SR-589 · Structure no. 100582

Built
1995
30 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
53,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR-580 over Double Branch Canal is a prestressed concrete stringer/multi-beam or girder carrying SR-580 over Double Branch Canal in Hillsborough County, Florida. It was built in 1995, so it is 30 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 53,000 vehicles a day, roughly 5% of them trucks, projected to reach 91,955 by 2042. The structure is 180 ft (54.8 m) long and 113 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR-580
CrossesDouble Branch Canal
Location6 Miles West of SR-589
RouteState Highway 580
StateFlorida
Coordinates28.02552, -82.63173
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionMarch 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.8 m)
Longest span60 ft (18.3 m)
Deck width113 ft (34.4 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,000 (2023)
Projected traffic91,955 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 SR-580 over Double Branch Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR-580 over Double Branch Canal 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 2023.

How much traffic does SR-580 over Double Branch Canal carry?

About 53,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR-580 over Double Branch Canal?

The structure is 180 ft (54.8 m) long with a longest span of 60 ft (18.3 m) and a deck 113 ft wide.

Who owns SR-580 over Double Branch Canal?

It is owned by the State Highway Agency.