US Bridges

SR 821 SB 17.7 over SR 874 and Sclrr

Good

Miami-Dade County, Florida · 0.6 MI S of SW 120th ST · Structure no. 870913

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
571 ft
5 main spans
Daily traffic
4,600
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 821 SB 17.7 over SR 874 and Sclrr is a prestressed concrete stringer/multi-beam or girder carrying SR 821 SB 17.7 over SR 874 and Sclrr in Miami-Dade County, Florida. It was built in 2019, so it is 6 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 4,600 vehicles a day, roughly 6% of them trucks, projected to reach 9,500 by 2042. The structure is 571 ft (174 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesSR 821 SB 17.7
CrossesSR 874 and Sclrr
Location0.6 MI S of SW 120th ST
RouteState Highway 821
CountyMiami-Dade County
StateFlorida
Coordinates25.64841, -80.38613
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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length571 ft (174 m)
Longest span123 ft (37.4 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic4,600 (2024)
Projected traffic9,500 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a toll road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 821 SB 17.7 over SR 874 and Sclrr built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 821 SB 17.7 over SR 874 and Sclrr 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 SR 821 SB 17.7 over SR 874 and Sclrr carry?

About 4,600 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 821 SB 17.7 over SR 874 and Sclrr?

The structure is 571 ft (174 m) long with a longest span of 123 ft (37.4 m) and a deck 30 ft wide.

Who owns SR 821 SB 17.7 over SR 874 and Sclrr?

It is owned by the State Toll Authority.