US Bridges

Atlantic Isle Ave. over Ocean Canal

FairPosted for load

Miami-Dade County, Florida · 0.25 Mile West of A1A · Structure no. 874218

Built
1925
100 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Concrete
Length
43 ft
1 main span
Daily traffic
109
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Atlantic Isle Ave. over Ocean Canal is a concrete arch - deck carrying Atlantic Isle Ave. over Ocean Canal in Miami-Dade County, Florida. It was built in 1925, so it is 100 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 109 vehicles a day, projected to reach 657 by 2042. The structure is 43 ft (13.1 m) long and 20 ft wide.

CarriesAtlantic Isle Ave.
CrossesOcean Canal
Location0.25 Mile West of A1A
RouteCity Street 0
StateFlorida
Coordinates25.92746, -80.12613
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating18.5 US tons
Inventory rating14.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6.2 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109 (2024)
Projected traffic657 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost$71,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Atlantic Isle Ave. over Ocean Canal built?

It was built in 1925, making it 100 years old in 2025.

What condition is Atlantic Isle Ave. over Ocean 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 September 2023.

How much traffic does Atlantic Isle Ave. over Ocean Canal carry?

About 109 vehicles per day (2024 count).

How long is Atlantic Isle Ave. over Ocean Canal?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns Atlantic Isle Ave. over Ocean Canal?

It is owned by the City or Municipal Highway Agency.