US Bridges

Mia Off-Ramp 2 & 3 over SR 953

Good

Miami-Dade County, Florida · At Mia Interchange · Structure no. 874641

Built
2006
19 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
607 ft
4 main spans
Daily traffic
5,900
2024 count
Owner
County
County Highway Agency

About this bridge

Mia Off-Ramp 2 & 3 over SR 953 is a steel continuous box beam or girders - single or spread carrying Mia Off-Ramp 2 & 3 over SR 953 in Miami-Dade County, Florida. It was built in 2006, so it is 19 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 5,900 vehicles a day, roughly 5% of them trucks, projected to reach 54,110 by 2042. The structure is 607 ft (184.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMia Off-Ramp 2 & 3
CrossesSR 953
LocationAt Mia Interchange
RouteCounty Highway 0
StateFlorida
Coordinates25.79378, -80.26444
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating54.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length607 ft (184.9 m)
Longest span200 ft (61 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic5,900 (2024)
Projected traffic54,110 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
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 Mia Off-Ramp 2 & 3 over SR 953 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Mia Off-Ramp 2 & 3 over SR 953 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 July 2024.

How much traffic does Mia Off-Ramp 2 & 3 over SR 953 carry?

About 5,900 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mia Off-Ramp 2 & 3 over SR 953?

The structure is 607 ft (184.9 m) long with a longest span of 200 ft (61 m) and a deck 42 ft wide.

Who owns Mia Off-Ramp 2 & 3 over SR 953?

It is owned by the County Highway Agency.