US Bridges

Treasure Island Cw over Boca Ciega Bay East

Good

Pinellas County, Florida · 1.1MI East of Gulf Blvd · Structure no. 157841

Built
2004
21 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
19,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Treasure Island Cw over Boca Ciega Bay East is a prestressed concrete slab carrying Treasure Island Cw over Boca Ciega Bay East in Pinellas County, Florida. It was built in 2004, so it is 21 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 19,000 vehicles a day, roughly 4% of them trucks, projected to reach 32,965 by 2042. The structure is 240 ft (73.2 m) long and 63 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTreasure Island Cw
CrossesBoca Ciega Bay East
Location1.1MI East of Gulf Blvd
RouteCity Street 0
StateFlorida
Coordinates27.77081, -82.74319
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 25 or greater
Structure length240 ft (73.2 m)
Longest span53 ft (16.3 m)
Deck width63 ft (19.2 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic32,965 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Treasure Island Cw over Boca Ciega Bay East built?

It was built in 2004, making it 21 years old in 2025.

What condition is Treasure Island Cw over Boca Ciega Bay East 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 October 2023.

How much traffic does Treasure Island Cw over Boca Ciega Bay East carry?

About 19,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Treasure Island Cw over Boca Ciega Bay East?

The structure is 240 ft (73.2 m) long with a longest span of 53 ft (16.3 m) and a deck 63 ft wide.

Who owns Treasure Island Cw over Boca Ciega Bay East?

It is owned by the City or Municipal Highway Agency.