US Bridges

NW 22nd Avenue over Comfort Canal

Good

Miami-Dade County, Florida · 100FT. N of NW 12th St. · Structure no. 874149

Built
1960
65 years old, rebuilt 1965
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
45 ft
2 main spans
Daily traffic
32,062
2020 count
Owner
County
County Highway Agency

About this bridge

NW 22nd Avenue over Comfort Canal is a concrete slab carrying NW 22nd Avenue over Comfort Canal in Miami-Dade County, Florida. It was built in 1960 and reconstructed in 1965, so it is 65 years old, older 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 32,062 vehicles a day, roughly 2% of them trucks, projected to reach 54,536 by 2042. The structure is 45 ft (13.7 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNW 22nd Avenue
CrossesComfort Canal
Location100FT. N of NW 12th St.
RouteCounty Highway 0
CountyMiami-Dade County
StateFlorida
Coordinates25.78483, -80.23129
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width70 ft (21.3 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,062 (2020)
Projected traffic54,536 by 2042
Trucks2%
Lanes on structure4
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 NW 22nd Avenue over Comfort Canal built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1965.

What condition is NW 22nd Avenue over Comfort 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 November 2023.

How much traffic does NW 22nd Avenue over Comfort Canal carry?

About 32,062 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is NW 22nd Avenue over Comfort Canal?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 70 ft wide.

Who owns NW 22nd Avenue over Comfort Canal?

It is owned by the County Highway Agency.