US Bridges

NW 92nd Ave. Ramp over I-75/I-75 Express Lanes

Good

Miami-Dade County, Florida · 1.7MI W of Palmetto Expwy · Structure no. 870605

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
492 ft
4 main spans
Daily traffic
16,000
2024 count
Owner
State
State Highway Agency

About this bridge

NW 92nd Ave. Ramp over I-75/I-75 Express Lanes is a steel continuous stringer/multi-beam or girder carrying NW 92nd Ave. Ramp over I-75/I-75 Express Lanes in Miami-Dade County, Florida. It was built in 1985, so it is 40 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 16,000 vehicles a day, roughly 17% of them trucks, projected to reach 27,760 by 2044. The structure is 492 ft (149.9 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW 92nd Ave. Ramp
CrossesI-75/I-75 Express Lanes
Location1.7MI W of Palmetto Expwy
RouteInterstate 75
CountyMiami-Dade County
StateFlorida
Coordinates25.90233, -80.34911
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating40.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length492 ft (149.9 m)
Longest span159 ft (48.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2024)
Projected traffic27,760 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NW 92nd Ave. Ramp over I-75/I-75 Express Lanes built?

It was built in 1985, making it 40 years old in 2025.

What condition is NW 92nd Ave. Ramp over I-75/I-75 Express Lanes 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 September 2024.

How much traffic does NW 92nd Ave. Ramp over I-75/I-75 Express Lanes carry?

About 16,000 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is NW 92nd Ave. Ramp over I-75/I-75 Express Lanes?

The structure is 492 ft (149.9 m) long with a longest span of 159 ft (48.6 m) and a deck 43 ft wide.

Who owns NW 92nd Ave. Ramp over I-75/I-75 Express Lanes?

It is owned by the State Highway Agency.