US Bridges

SW 24th Street over SR 821 24.675

Fair

Miami-Dade County, Florida · 1 Mile South of US 41 · Structure no. 870928

Built
2019
6 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
514 ft
4 main spans
Daily traffic
33,000
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SW 24th Street over SR 821 24.675 is a prestressed concrete stringer/multi-beam or girder carrying SW 24th Street over SR 821 24.675 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 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 33,000 vehicles a day, roughly 13% of them trucks, projected to reach 57,255 by 2042. The structure is 514 ft (156.7 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW 24th Street
CrossesSR 821 24.675
Location1 Mile South of US 41
RouteCity Street 24
CountyMiami-Dade County
StateFlorida
Coordinates25.74633, -80.38439
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length514 ft (156.7 m)
Longest span141 ft (43 m)
Deck width87 ft (26.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic33,000 (2024)
Projected traffic57,255 by 2042
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 SW 24th Street over SR 821 24.675 built?

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

What condition is SW 24th Street over SR 821 24.675 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 April 2024.

How much traffic does SW 24th Street over SR 821 24.675 carry?

About 33,000 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SW 24th Street over SR 821 24.675?

The structure is 514 ft (156.7 m) long with a longest span of 141 ft (43 m) and a deck 87 ft wide.

Who owns SW 24th Street over SR 821 24.675?

It is owned by the State Toll Authority.