US Bridges

SW 75th Avenue over Coral Gables Loop Canal

Fair

Miami-Dade County, Florida · 0.2 Mile N of SW 40th St. · Structure no. 874406

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
1,325
2023 count
Owner
County
County Highway Agency

About this bridge

SW 75th Avenue over Coral Gables Loop Canal is a prestressed concrete stringer/multi-beam or girder carrying SW 75th Avenue over Coral Gables Loop Canal in Miami-Dade County, Florida. It was built in 1960, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,325 vehicles a day, roughly 1% of them trucks, projected to reach 1,649 by 2042. The structure is 64 ft (19.5 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSW 75th Avenue
CrossesCoral Gables Loop Canal
Location0.2 Mile N of SW 40th St.
RouteCounty Highway 0
CountyMiami-Dade County
StateFlorida
Coordinates25.73672, -80.31639
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span64 ft (19.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,325 (2023)
Projected traffic1,649 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 SW 75th Avenue over Coral Gables Loop Canal built?

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

What condition is SW 75th Avenue over Coral Gables Loop Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does SW 75th Avenue over Coral Gables Loop Canal carry?

About 1,325 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is SW 75th Avenue over Coral Gables Loop Canal?

The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 22 ft wide.

Who owns SW 75th Avenue over Coral Gables Loop Canal?

It is owned by the County Highway Agency.