US Bridges

NW 121st St. Way over Miami Canal

Good

Miami-Dade County, Florida · 50FT. W of Okeechobee Rd. · Structure no. 876304

Built
2025
0 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
127 ft
3 main spans
Daily traffic
3,121
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 121st St. Way over Miami Canal is a concrete slab carrying NW 121st St. Way over Miami Canal in Miami-Dade County, Florida. It was built in 2025, so it is 0 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,121 vehicles a day, roughly 25% of them trucks, projected to reach 5,100 by 2042. The structure is 127 ft (38.8 m) long and 77 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesNW 121st St. Way
CrossesMiami Canal
Location50FT. W of Okeechobee Rd.
RouteCity Street 0
CountyMiami-Dade County
StateFlorida
Coordinates25.88322, -80.36239
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length127 ft (38.8 m)
Longest span45 ft (13.7 m)
Deck width77 ft (23.5 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,121 (2020)
Projected traffic5,100 by 2042
Trucks25%
Lanes on structure3
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NW 121st St. Way over Miami Canal built?

It was built in 2025, making it 0 years old in 2025.

What condition is NW 121st St. Way 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 121st St. Way over Miami Canal carry?

About 3,121 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is NW 121st St. Way over Miami Canal?

The structure is 127 ft (38.8 m) long with a longest span of 45 ft (13.7 m) and a deck 77 ft wide.

Who owns NW 121st St. Way over Miami Canal?

It is owned by the City or Municipal Highway Agency.