US Bridges

CR-611 SB Off Ramp over Lake Tarpon Canal

Fair

Pinellas County, Florida · At Old Tampa Road · Structure no. 154157

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
609 ft
7 main spans
Daily traffic
9,300
2024 count
Owner
County
County Highway Agency

About this bridge

CR-611 SB Off Ramp over Lake Tarpon Canal is a prestressed concrete stringer/multi-beam or girder carrying CR-611 SB Off Ramp over Lake Tarpon Canal in Pinellas County, Florida. It was built in 1991, so it is 34 years old, younger 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 9,300 vehicles a day, roughly 9% of them trucks, projected to reach 16,136 by 2046. The structure is 609 ft (185.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR-611 SB Off Ramp
CrossesLake Tarpon Canal
LocationAt Old Tampa Road
RouteCounty Highway 611
CountyPinellas County
StateFlorida
Coordinates28.06249, -82.71053
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating58.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length609 ft (185.6 m)
Longest span87 ft (26.5 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2024)
Projected traffic16,136 by 2046
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR-611 SB Off Ramp over Lake Tarpon Canal built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR-611 SB Off Ramp over Lake Tarpon Canal 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 July 2024.

How much traffic does CR-611 SB Off Ramp over Lake Tarpon Canal carry?

About 9,300 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is CR-611 SB Off Ramp over Lake Tarpon Canal?

The structure is 609 ft (185.6 m) long with a longest span of 87 ft (26.5 m) and a deck 30 ft wide.

Who owns CR-611 SB Off Ramp over Lake Tarpon Canal?

It is owned by the County Highway Agency.