US Bridges

SR821 NB Heft 2.7 over Canal C-103

Good

Miami-Dade County, Florida · NB Off Rmp SR821 Cmpbll · Structure no. 870903

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
5 main spans
Daily traffic
2,000
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR821 NB Heft 2.7 over Canal C-103 is a prestressed concrete stringer/multi-beam or girder carrying SR821 NB Heft 2.7 over Canal C-103 in Miami-Dade County, Florida. It was built in 2001, so it is 24 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 3,470 by 2042. The structure is 290 ft (88.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR821 NB Heft 2.7
CrossesCanal C-103
LocationNB Off Rmp SR821 Cmpbll
RouteState Highway 821
CountyMiami-Dade County
StateFlorida
Coordinates25.47448, -80.44388
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length290 ft (88.4 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic3,470 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 NB Heft 2.7 over Canal C-103 built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR821 NB Heft 2.7 over Canal C-103 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 February 2024.

How much traffic does SR821 NB Heft 2.7 over Canal C-103 carry?

About 2,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR821 NB Heft 2.7 over Canal C-103?

The structure is 290 ft (88.4 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns SR821 NB Heft 2.7 over Canal C-103?

It is owned by the State Toll Authority.