US Bridges

SR 112 EB over NW 32nd Avenue

Good

Miami-Dade County, Florida · 0.5 Mile W of NW 27th Ave · Structure no. 870279

Built
1960
65 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
55,500
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 112 EB over NW 32nd Avenue is a prestressed concrete stringer/multi-beam or girder carrying SR 112 EB over NW 32nd Avenue in Miami-Dade County, Florida. It was built in 1960, so it is 65 years old, older 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 55,500 vehicles a day, roughly 6% of them trucks, projected to reach 96,292 by 2042. The structure is 143 ft (43.6 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 112 EB
CrossesNW 32nd Avenue
Location0.5 Mile W of NW 27th Ave
RouteState Highway 112
StateFlorida
Coordinates25.8121, -80.24847
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span63 ft (19.2 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,500 (2024)
Projected traffic96,292 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$60,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 112 EB over NW 32nd Avenue built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 112 EB over NW 32nd Avenue 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 SR 112 EB over NW 32nd Avenue carry?

About 55,500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 112 EB over NW 32nd Avenue?

The structure is 143 ft (43.6 m) long with a longest span of 63 ft (19.2 m) and a deck 46 ft wide.

Who owns SR 112 EB over NW 32nd Avenue?

It is owned by the State Toll Authority.