US Bridges

Madonna Blvd. over Pine Key Cutoff

Fair

Pinellas County, Florida · 0.3MI W of SR-679 · Structure no. 154700

Built
1957
68 years old, rebuilt 2005
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
1,600
2024 count
Owner
County
County Highway Agency

About this bridge

Madonna Blvd. over Pine Key Cutoff is a prestressed concrete stringer/multi-beam or girder carrying Madonna Blvd. over Pine Key Cutoff in Pinellas County, Florida. It was built in 1957 and reconstructed in 2005, so it is 68 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 1,600 vehicles a day, roughly 1% of them trucks, projected to reach 2,776 by 2046. The structure is 120 ft (36.7 m) long and 49 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMadonna Blvd.
CrossesPine Key Cutoff
Location0.3MI W of SR-679
RouteCounty Highway 0
StateFlorida
Coordinates27.69069, -82.72519
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length120 ft (36.7 m)
Longest span40 ft (12.3 m)
Deck width49 ft (14.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2024)
Projected traffic2,776 by 2046
Trucks1%
Lanes on structure2
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 Madonna Blvd. over Pine Key Cutoff built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2005.

What condition is Madonna Blvd. over Pine Key Cutoff 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 Madonna Blvd. over Pine Key Cutoff carry?

About 1,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Madonna Blvd. over Pine Key Cutoff?

The structure is 120 ft (36.7 m) long with a longest span of 40 ft (12.3 m) and a deck 49 ft wide.

Who owns Madonna Blvd. over Pine Key Cutoff?

It is owned by the County Highway Agency.