US Bridges

NW 42nd Avenue over Carol City Canal

Good

Miami-Dade County, Florida · 0.1MILE N of NW 177th St. · Structure no. 874023

Built
1957
68 years old, rebuilt 2012
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
2,101
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 42nd Avenue over Carol City Canal is a prestressed concrete tee beam carrying NW 42nd Avenue over Carol City Canal in Miami-Dade County, Florida. It was built in 1957 and reconstructed in 2012, so it is 68 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 2,101 vehicles a day, roughly 4% of them trucks, projected to reach 3,894 by 2042. The structure is 82 ft (24.9 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 42nd Avenue
CrossesCarol City Canal
Location0.1MILE N of NW 177th St.
RouteCity Street 0
StateFlorida
Coordinates25.93664, -80.26923
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating65.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length82 ft (24.9 m)
Longest span41 ft (12.4 m)
Deck width49 ft (14.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,101 (2024)
Projected traffic3,894 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 42nd Avenue over Carol City Canal built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2012.

What condition is NW 42nd Avenue over Carol City 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 August 2024.

How much traffic does NW 42nd Avenue over Carol City Canal carry?

About 2,101 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is NW 42nd Avenue over Carol City Canal?

The structure is 82 ft (24.9 m) long with a longest span of 41 ft (12.4 m) and a deck 49 ft wide.

Who owns NW 42nd Avenue over Carol City Canal?

It is owned by the City or Municipal Highway Agency.