US Bridges

SR821 SB Heft 35.2 over US-27 and Miami Canal

Good

Miami-Dade County, Florida · 4 Miles South of I-75 · Structure no. 870934

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
423 ft
5 main spans
Daily traffic
58,050
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR821 SB Heft 35.2 over US-27 and Miami Canal is a prestressed concrete stringer/multi-beam or girder carrying SR821 SB Heft 35.2 over US-27 and Miami Canal in Miami-Dade County, Florida. It was built in 2024, so it is 1 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 58,050 vehicles a day, roughly 9% of them trucks, projected to reach 91,100 by 2042. The structure is 423 ft (128.8 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR821 SB Heft 35.2
CrossesUS-27 and Miami Canal
Location4 Miles South of I-75
RouteState Highway 821
StateFlorida
Coordinates25.90063, -80.38565
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length423 ft (128.8 m)
Longest span124 ft (37.9 m)
Deck width105 ft (32.1 m)
Roadway width103 ft (31.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,050 (2024)
Projected traffic91,100 by 2042
Trucks9%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 SR821 SB Heft 35.2 over US-27 and Miami Canal built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR821 SB Heft 35.2 over US-27 and Miami 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 April 2024.

How much traffic does SR821 SB Heft 35.2 over US-27 and Miami Canal carry?

About 58,050 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR821 SB Heft 35.2 over US-27 and Miami Canal?

The structure is 423 ft (128.8 m) long with a longest span of 124 ft (37.9 m) and a deck 105 ft wide.

Who owns SR821 SB Heft 35.2 over US-27 and Miami Canal?

It is owned by the State Toll Authority.