US Bridges

Cswy Blvd. CR-586 over St. Joseph Sound

Good

Pinellas County, Florida · 0.3MI West of US-19A · Structure no. 154005

Built
1994
31 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
14,200
2023 count
Owner
County
County Highway Agency

About this bridge

Cswy Blvd. CR-586 over St. Joseph Sound is a prestressed concrete slab carrying Cswy Blvd. CR-586 over St. Joseph Sound in Pinellas County, Florida. It was built in 1994, 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 14,200 vehicles a day, roughly 5% of them trucks, projected to reach 24,637 by 2042. The structure is 100 ft (30.5 m) long and 85 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCswy Blvd. CR-586
CrossesSt. Joseph Sound
Location0.3MI West of US-19A
RouteCounty Highway 586
CountyPinellas County
StateFlorida
Coordinates28.05089, -82.78514
Functional classUrban Minor 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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 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 rating110.1 US tons
Inventory rating85.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span33 ft (10.1 m)
Deck width85 ft (26 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2023)
Projected traffic24,637 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cswy Blvd. CR-586 over St. Joseph Sound built?

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

What condition is Cswy Blvd. CR-586 over St. Joseph Sound 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 September 2023.

How much traffic does Cswy Blvd. CR-586 over St. Joseph Sound carry?

About 14,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Cswy Blvd. CR-586 over St. Joseph Sound?

The structure is 100 ft (30.5 m) long with a longest span of 33 ft (10.1 m) and a deck 85 ft wide.

Who owns Cswy Blvd. CR-586 over St. Joseph Sound?

It is owned by the County Highway Agency.