US Bridges

SR112 Eb/Wb over SR 933 (nw 12th Ave)

Fair

Miami-Dade County, Florida · 0.2 Mile E of Toll Plaza · Structure no. 870022

Built
1962
63 years old, rebuilt 1989
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
114,000
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR112 Eb/Wb over SR 933 (nw 12th Ave) is a prestressed concrete stringer/multi-beam or girder carrying SR112 Eb/Wb over SR 933 (nw 12th Ave) in Miami-Dade County, Florida. It was built in 1962 and reconstructed in 1989, so it is 63 years old, older 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 114,000 vehicles a day, roughly 4% of them trucks, projected to reach 197,790 by 2044. The structure is 170 ft (51.7 m) long and 145 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR112 Eb/Wb
CrossesSR 933 (nw 12th Ave)
Location0.2 Mile E of Toll Plaza
RouteState Highway 112
CountyMiami-Dade County
StateFlorida
Coordinates25.8125, -80.21581
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.8 US tons
Inventory rating29.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.7 m)
Longest span90 ft (27.4 m)
Deck width145 ft (44.1 m)
Roadway width139 ft (42.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114,000 (2024)
Projected traffic197,790 by 2044
Trucks4%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR112 Eb/Wb over SR 933 (nw 12th Ave) built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1989.

What condition is SR112 Eb/Wb over SR 933 (nw 12th 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 October 2024.

How much traffic does SR112 Eb/Wb over SR 933 (nw 12th Ave) carry?

About 114,000 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR112 Eb/Wb over SR 933 (nw 12th Ave)?

The structure is 170 ft (51.7 m) long with a longest span of 90 ft (27.4 m) and a deck 145 ft wide.

Who owns SR112 Eb/Wb over SR 933 (nw 12th Ave)?

It is owned by the State Toll Authority.