US Bridges

Henedon Avenue over Biscayne Point Canal

Fair

Miami-Dade County, Florida · 1.0 Mile W of A1A · Structure no. 876721

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
520
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Henedon Avenue over Biscayne Point Canal is a concrete continuous stringer/multi-beam or girder carrying Henedon Avenue over Biscayne Point Canal in Miami-Dade County, Florida. It was built in 1950, so it is 75 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 520 vehicles a day, roughly 1% of them trucks, projected to reach 778 by 2042. The structure is 90 ft (27.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHenedon Avenue
CrossesBiscayne Point Canal
Location1.0 Mile W of A1A
RouteCity Street 0
StateFlorida
Coordinates25.864, -80.13628
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.1 US tons
Inventory rating17.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.5 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2020)
Projected traffic778 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Henedon Avenue over Biscayne Point Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is Henedon Avenue over Biscayne Point 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 October 2024.

How much traffic does Henedon Avenue over Biscayne Point Canal carry?

About 520 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Henedon Avenue over Biscayne Point Canal?

The structure is 90 ft (27.5 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Henedon Avenue over Biscayne Point Canal?

It is owned by the City or Municipal Highway Agency.