US Bridges

SR 112 EB on Ramp over SR 953 (nw 42nd Ave)

Fair

Miami-Dade County, Florida · Miami Intl Airport · Structure no. 870725

Built
1991
34 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
1,590 ft
5 main spans
Daily traffic
15,500
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 112 EB on Ramp over SR 953 (nw 42nd Ave) is a steel box beam or girders - single or spread carrying SR 112 EB on Ramp over SR 953 (nw 42nd Ave) in Miami-Dade County, Florida. It was built in 1991, so it is 34 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 15,500 vehicles a day, roughly 4% of them trucks, projected to reach 26,892 by 2044. The structure is 1,590 ft (484.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 112 EB on Ramp
CrossesSR 953 (nw 42nd Ave)
LocationMiami Intl Airport
RouteState Highway SR112
CountyMiami-Dade County
StateFlorida
Coordinates25.79831, -80.26478
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.9 US tons
Inventory rating29.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+18 approach)
Design loadHS 20 + Mod
Structure length1,590 ft (484.7 m)
Longest span110 ft (33.4 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2024)
Projected traffic26,892 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

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 SR 112 EB on Ramp over SR 953 (nw 42nd Ave) built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 112 EB on Ramp over SR 953 (nw 42nd Ave) 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 November 2024.

How much traffic does SR 112 EB on Ramp over SR 953 (nw 42nd Ave) carry?

About 15,500 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 112 EB on Ramp over SR 953 (nw 42nd Ave)?

The structure is 1,590 ft (484.7 m) long with a longest span of 110 ft (33.4 m) and a deck 45 ft wide.

Who owns SR 112 EB on Ramp over SR 953 (nw 42nd Ave)?

It is owned by the State Toll Authority.