US Bridges

40th Ave NE over Placido Bayou

Good

Pinellas County, Florida · 1.1 Mile E of 1st ST N · Structure no. 157141

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
321 ft
6 main spans
Daily traffic
33,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

40th Ave NE over Placido Bayou is a prestressed concrete slab carrying 40th Ave NE over Placido Bayou in Pinellas County, Florida. It was built in 2022, so it is 3 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 33,500 vehicles a day, roughly 9% of them trucks, projected to reach 58,123 by 2046. The structure is 321 ft (97.7 m) long and 58 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Carries40th Ave NE
CrossesPlacido Bayou
Location1.1 Mile E of 1st ST N
RouteCity Street 0
StateFlorida
Coordinates27.80858, -82.61617
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHL 93
Structure length321 ft (97.7 m)
Longest span60 ft (18.4 m)
Deck width58 ft (17.6 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic33,500 (2024)
Projected traffic58,123 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 40th Ave NE over Placido Bayou built?

It was built in 2022, making it 3 years old in 2025.

What condition is 40th Ave NE over Placido Bayou 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 2024.

How much traffic does 40th Ave NE over Placido Bayou carry?

About 33,500 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is 40th Ave NE over Placido Bayou?

The structure is 321 ft (97.7 m) long with a longest span of 60 ft (18.4 m) and a deck 58 ft wide.

Who owns 40th Ave NE over Placido Bayou?

It is owned by the City or Municipal Highway Agency.