US Bridges

SR 112 WB over US27/SR 948/MIAMI Canal

Fair

Miami-Dade County, Florida · SR 112 over US 27 · Structure no. 870237

Built
1961
64 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,000 ft
7 main spans
Daily traffic
58,000
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 112 WB over US27/SR 948/MIAMI Canal is a steel continuous stringer/multi-beam or girder carrying SR 112 WB over US27/SR 948/MIAMI Canal in Miami-Dade County, Florida. It was built in 1961, so it is 64 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 58,000 vehicles a day, roughly 4% of them trucks, projected to reach 100,630 by 2042. The structure is 1,000 ft (304.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 112 WB
CrossesUS27/SR 948/MIAMI Canal
LocationSR 112 over US 27
RouteState Highway 112
CountyMiami-Dade County
StateFlorida
Coordinates25.80833, -80.26121
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.6 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+4 approach)
Design loadHS 20
Structure length1,000 ft (304.8 m)
Longest span141 ft (43 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,000 (2023)
Projected traffic100,630 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 WB over US27/SR 948/MIAMI Canal built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 112 WB over US27/SR 948/MIAMI Canal 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 March 2023.

How much traffic does SR 112 WB over US27/SR 948/MIAMI Canal carry?

About 58,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 112 WB over US27/SR 948/MIAMI Canal?

The structure is 1,000 ft (304.8 m) long with a longest span of 141 ft (43 m) and a deck 34 ft wide.

Who owns SR 112 WB over US27/SR 948/MIAMI Canal?

It is owned by the State Toll Authority.