US Bridges

SR-580 WB over Safety Harbor Bay/Rr

Good

Pinellas County, Florida · 3.1 MI East of US-19 · Structure no. 150202

Built
1988
37 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,052 ft
30 main spans
Daily traffic
16,750
2024 count
Owner
State
State Highway Agency

About this bridge

SR-580 WB over Safety Harbor Bay/Rr is a prestressed concrete stringer/multi-beam or girder carrying SR-580 WB over Safety Harbor Bay/Rr in Pinellas County, Florida. It was built in 1988, so it is 37 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 16,750 vehicles a day, roughly 4% of them trucks, projected to reach 29,061 by 2044. The structure is 2,052 ft (625.3 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR-580 WB
CrossesSafety Harbor Bay/Rr
Location3.1 MI East of US-19
RouteState Highway 580
StateFlorida
Coordinates28.02921, -82.68875
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans30
Design loadHS 20 + Mod
Structure length2,052 ft (625.3 m)
Longest span92 ft (28 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,750 (2024)
Projected traffic29,061 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed0.6 mi (1 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 WB over Safety Harbor Bay/Rr built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR-580 WB over Safety Harbor Bay/Rr 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-580 WB over Safety Harbor Bay/Rr carry?

About 16,750 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR-580 WB over Safety Harbor Bay/Rr?

The structure is 2,052 ft (625.3 m) long with a longest span of 92 ft (28 m) and a deck 49 ft wide.

Who owns SR-580 WB over Safety Harbor Bay/Rr?

It is owned by the State Highway Agency.