US Bridges

N.W. 27 Ave. SR-9 over Opalocka Canal

Good

Miami-Dade County, Florida · S of Opa Locka Blvd · Structure no. 870090

Built
1948
77 years old, rebuilt 1971
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
49,500
2022 count
Owner
State
State Highway Agency

About this bridge

N.W. 27 Ave. SR-9 over Opalocka Canal is a concrete slab carrying N.W. 27 Ave. SR-9 over Opalocka Canal in Miami-Dade County, Florida. It was built in 1948 and reconstructed in 1971, so it is 77 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 49,500 vehicles a day, roughly 7% of them trucks, projected to reach 85,882 by 2044. The structure is 75 ft (22.9 m) long and 100 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesN.W. 27 Ave. SR-9
CrossesOpalocka Canal
LocationS of Opa Locka Blvd
RouteState Highway 9
CountyMiami-Dade County
StateFlorida
Coordinates25.89786, -80.24361
Functional classUrban Other Principal 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 inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.2 US tons
Inventory rating25.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width100 ft (30.5 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,500 (2022)
Projected traffic85,882 by 2044
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N.W. 27 Ave. SR-9 over Opalocka Canal built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1971.

What condition is N.W. 27 Ave. SR-9 over Opalocka 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 June 2024.

How much traffic does N.W. 27 Ave. SR-9 over Opalocka Canal carry?

About 49,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is N.W. 27 Ave. SR-9 over Opalocka Canal?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 100 ft wide.

Who owns N.W. 27 Ave. SR-9 over Opalocka Canal?

It is owned by the State Highway Agency.