US Bridges

SR-580 over Channel a Canal

Good

Hillsborough County, Florida · 4 Miles West of SR-589 · Structure no. 100581

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
217 ft
7 main spans
Daily traffic
47,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR-580 over Channel a Canal is a concrete continuous slab carrying SR-580 over Channel a Canal in Hillsborough County, Florida. It was built in 1992, so it is 33 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 47,500 vehicles a day, roughly 7% of them trucks, projected to reach 82,412 by 2042. The structure is 217 ft (66.2 m) long and 117 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR-580
CrossesChannel a Canal
Location4 Miles West of SR-589
RouteState Highway 580
CountyHillsborough County
StateFlorida
Coordinates28.01028, -82.60803
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 protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length217 ft (66.2 m)
Longest span31 ft (9.5 m)
Deck width117 ft (35.6 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,500 (2023)
Projected traffic82,412 by 2042
Trucks7%
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 Channel a Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR-580 over Channel a 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 Channel a Canal carry?

About 47,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR-580 over Channel a Canal?

The structure is 217 ft (66.2 m) long with a longest span of 31 ft (9.5 m) and a deck 117 ft wide.

Who owns SR-580 over Channel a Canal?

It is owned by the State Highway Agency.