US Bridges

Pine Tree Drive over Flamingo Waterway

Fair

Miami-Dade County, Florida · 0.8 MI N of Arthur G. Rd. · Structure no. 874712

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
174 ft
1 main span
Daily traffic
9,884
2020 count
Owner
County
County Highway Agency

About this bridge

Pine Tree Drive over Flamingo Waterway is a prestressed concrete slab carrying Pine Tree Drive over Flamingo Waterway in Miami-Dade County, Florida. It was built in 1956, so it is 69 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 5 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 9,884 vehicles a day, roughly 5% of them trucks, projected to reach 15,573 by 2042. The structure is 174 ft (52.9 m) long and 65 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesPine Tree Drive
CrossesFlamingo Waterway
Location0.8 MI N of Arthur G. Rd.
RouteCity Street 0
StateFlorida
Coordinates25.82646, -80.12486
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47.5 US tons
Inventory rating36.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHL 93
Structure length174 ft (52.9 m)
Longest span32 ft (9.8 m)
Deck width65 ft (19.7 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,884 (2020)
Projected traffic15,573 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 Pine Tree Drive over Flamingo Waterway built?

It was built in 1956, making it 69 years old in 2025.

What condition is Pine Tree Drive over Flamingo Waterway 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 August 2024.

How much traffic does Pine Tree Drive over Flamingo Waterway carry?

About 9,884 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Pine Tree Drive over Flamingo Waterway?

The structure is 174 ft (52.9 m) long with a longest span of 32 ft (9.8 m) and a deck 65 ft wide.

Who owns Pine Tree Drive over Flamingo Waterway?

It is owned by the County Highway Agency.