US Bridges

Convention Cnt Dr. over Collins Canal

Fair

Miami-Dade County, Florida · Conv. Cnt DR and Dade Blv · Structure no. 876726

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
9,654
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Convention Cnt Dr. over Collins Canal is a steel stringer/multi-beam or girder carrying Convention Cnt Dr. over Collins Canal in Miami-Dade County, Florida. It was built in 1974, so it is 51 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.

It carries about 9,654 vehicles a day, projected to reach 15,573 by 2042. The structure is 53 ft (16.3 m) long and 93 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesConvention Cnt Dr.
CrossesCollins Canal
LocationConv. Cnt DR and Dade Blv
RouteCity Street 0
CountyMiami-Dade County
StateFlorida
Coordinates25.79656, -80.13501
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.3 m)
Longest span53 ft (16.3 m)
Deck width93 ft (28.2 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,654 (2024)
Projected traffic15,573 by 2042
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Convention Cnt Dr. over Collins Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Convention Cnt Dr. over Collins 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 April 2024.

How much traffic does Convention Cnt Dr. over Collins Canal carry?

About 9,654 vehicles per day (2024 count).

How long is Convention Cnt Dr. over Collins Canal?

The structure is 53 ft (16.3 m) long with a longest span of 53 ft (16.3 m) and a deck 93 ft wide.

Who owns Convention Cnt Dr. over Collins Canal?

It is owned by the City or Municipal Highway Agency.