US Bridges

SW 42nd Avenue over Coral Gables Canal

PoorPosted for load

Miami-Dade County, Florida · N Edge of Cocoplum Circle · Structure no. 874275

Built
1943
82 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
34,503
2024 count
Owner
County
County Highway Agency

About this bridge

SW 42nd Avenue over Coral Gables Canal is a steel stringer/multi-beam or girder carrying SW 42nd Avenue over Coral Gables Canal in Miami-Dade County, Florida. It was built in 1943, so it is 82 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 34,503 vehicles a day, roughly 3% of them trucks, projected to reach 58,685 by 2042. The structure is 131 ft (40 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSW 42nd Avenue
CrossesCoral Gables Canal
LocationN Edge of Cocoplum Circle
RouteCity Street 0
StateFlorida
Coordinates25.70606, -80.26086
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.1 US tons
Inventory rating8.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (40 m)
Longest span64 ft (19.5 m)
Deck width35 ft (10.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,503 (2024)
Projected traffic58,685 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 42nd Avenue over Coral Gables Canal built?

It was built in 1943, making it 82 years old in 2025.

What condition is SW 42nd Avenue over Coral Gables Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does SW 42nd Avenue over Coral Gables Canal carry?

About 34,503 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SW 42nd Avenue over Coral Gables Canal?

The structure is 131 ft (40 m) long with a longest span of 64 ft (19.5 m) and a deck 35 ft wide.

Who owns SW 42nd Avenue over Coral Gables Canal?

It is owned by the County Highway Agency.