US Bridges

SW 129th Court over Royale Green Canale

Fair

Miami-Dade County, Florida · 400FT N of SW 56th Street · Structure no. 874220

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
2,193
2023 count
Owner
County
County Highway Agency

About this bridge

SW 129th Court over Royale Green Canale is a prestressed concrete slab carrying SW 129th Court over Royale Green Canale in Miami-Dade County, Florida. It was built in 1971, so it is 54 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 2,193 vehicles a day, roughly 5% of them trucks, projected to reach 3,060 by 2042. The structure is 27 ft (8.2 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW 129th Court
CrossesRoyale Green Canale
Location400FT N of SW 56th Street
RouteCity Street 0
StateFlorida
Coordinates25.71656, -80.40461
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating21.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width60 ft (18.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,193 (2023)
Projected traffic3,060 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 SW 129th Court over Royale Green Canale built?

It was built in 1971, making it 54 years old in 2025.

What condition is SW 129th Court over Royale Green Canale 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 March 2024.

How much traffic does SW 129th Court over Royale Green Canale carry?

About 2,193 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SW 129th Court over Royale Green Canale?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 60 ft wide.

Who owns SW 129th Court over Royale Green Canale?

It is owned by the County Highway Agency.