US Bridges

Mic Off Ramp over SR 953 and Ramps

Good

Miami-Dade County, Florida · Mia Interchange · Structure no. 874640

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
968 ft
5 main spans
Daily traffic
3,600
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

Mic Off Ramp over SR 953 and Ramps is a steel continuous box beam or girders - single or spread carrying Mic Off Ramp over SR 953 and Ramps in Miami-Dade County, Florida. It was built in 2007, so it is 18 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 3,600 vehicles a day, roughly 9% of them trucks, projected to reach 6,246 by 2041. The structure is 968 ft (295.1 m) long and 37 ft wide.

Location

Open in Google Maps
CarriesMic Off Ramp
CrossesSR 953 and Ramps
LocationMia Interchange
RouteState Highway 953
CountyMiami-Dade County
StateFlorida
Coordinates25.79346, -80.26393
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length968 ft (295.1 m)
Longest span230 ft (70.1 m)
Deck width37 ft (11.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2019)
Projected traffic6,246 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
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 Mic Off Ramp over SR 953 and Ramps built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mic Off Ramp over SR 953 and Ramps 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 November 2023.

How much traffic does Mic Off Ramp over SR 953 and Ramps carry?

About 3,600 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Mic Off Ramp over SR 953 and Ramps?

The structure is 968 ft (295.1 m) long with a longest span of 230 ft (70.1 m) and a deck 37 ft wide.

Who owns Mic Off Ramp over SR 953 and Ramps?

It is owned by the State Toll Authority.