US Bridges

SR-666 over Icww

Fair

Pinellas County, Florida · 0.5MI E/O SR-699 (gulf Bd · Structure no. 150028

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Movable - Bascule
Steel
Length
752 ft
1 main span
Daily traffic
28,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR-666 over Icww is a steel movable - bascule carrying SR-666 over Icww in Pinellas County, Florida. It was built in 1962, so it is 63 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 28,000 vehicles a day, roughly 6% of them trucks, projected to reach 48,580 by 2044. The structure is 752 ft (229.1 m) long and 56 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR-666
CrossesIcww
Location0.5MI E/O SR-699 (gulf Bd
RouteState Highway 666
CountyPinellas County
StateFlorida
Coordinates27.80698, -82.79499
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating36.9 US tons
Inventory rating22 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+14 approach)
Design loadHS 20
Structure length752 ft (229.1 m)
Longest span141 ft (42.9 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic28,000 (2024)
Projected traffic48,580 by 2044
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-666 over Icww built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR-666 over Icww in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does SR-666 over Icww carry?

About 28,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR-666 over Icww?

The structure is 752 ft (229.1 m) long with a longest span of 141 ft (42.9 m) and a deck 56 ft wide.

Who owns SR-666 over Icww?

It is owned by the State Highway Agency.