US Bridges

SR821 Rmp NB 26.99 over SR 836 NW 12st Canal RR

Good

Miami-Dade County, Florida · 1.5 Miles North of US 41 · Structure no. 870943

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
419 ft
5 main spans
Daily traffic
42,800
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR821 Rmp NB 26.99 over SR 836 NW 12st Canal RR is a prestressed concrete stringer/multi-beam or girder carrying SR821 Rmp NB 26.99 over SR 836 NW 12st Canal RR in Miami-Dade County, Florida. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 42,800 vehicles a day, roughly 8% of them trucks, projected to reach 76,300 by 2042. The structure is 419 ft (127.7 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR821 Rmp NB 26.99
CrossesSR 836 NW 12st Canal RR
Location1.5 Miles North of US 41
RouteState Highway 821
StateFlorida
Coordinates25.78222, -80.38528
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length419 ft (127.7 m)
Longest span100 ft (30.6 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,800 (2024)
Projected traffic76,300 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 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 Rmp NB 26.99 over SR 836 NW 12st Canal RR built?

It was built in 2021, making it 4 years old in 2025.

What condition is SR821 Rmp NB 26.99 over SR 836 NW 12st Canal RR 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 Rmp NB 26.99 over SR 836 NW 12st Canal RR carry?

About 42,800 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR821 Rmp NB 26.99 over SR 836 NW 12st Canal RR?

The structure is 419 ft (127.7 m) long with a longest span of 100 ft (30.6 m) and a deck 75 ft wide.

Who owns SR821 Rmp NB 26.99 over SR 836 NW 12st Canal RR?

It is owned by the State Toll Authority.