US Bridges

NW 72nd Ave. over Miami Canal

Good

Miami-Dade County, Florida · Okeechobee Intersection · Structure no. 874009

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
128 ft
3 main spans
Daily traffic
20,000
2024 count
Owner
County
County Highway Agency

About this bridge

NW 72nd Ave. over Miami Canal is a concrete slab carrying NW 72nd Ave. over Miami Canal in Miami-Dade County, Florida. It was built in 2010, so it is 15 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,000 vehicles a day, roughly 10% of them trucks, projected to reach 50,000 by 2043. The structure is 128 ft (38.9 m) long and 86 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesNW 72nd Ave.
CrossesMiami Canal
LocationOkeechobee Intersection
RouteCity Street 0
CountyMiami-Dade County
StateFlorida
Coordinates25.84756, -80.31433
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.4 US tons
Inventory rating64.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length128 ft (38.9 m)
Longest span44 ft (13.4 m)
Deck width86 ft (26.1 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20,000 (2024)
Projected traffic50,000 by 2043
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 72nd Ave. over Miami Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is NW 72nd Ave. over Miami Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does NW 72nd Ave. over Miami Canal carry?

About 20,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW 72nd Ave. over Miami Canal?

The structure is 128 ft (38.9 m) long with a longest span of 44 ft (13.4 m) and a deck 86 ft wide.

Who owns NW 72nd Ave. over Miami Canal?

It is owned by the County Highway Agency.