US Bridges

Rickenbacker Cswy. over Biscayne Bay/Bear Cut

PoorPosted for load

Miami-Dade County, Florida · 3.0 Miles E of Toll Plaza · Structure no. 874544

Built
1944
81 years old, rebuilt 1983
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,102 ft
41 main spans
Daily traffic
30,804
2024 count
Owner
County
County Highway Agency

About this bridge

Rickenbacker Cswy. over Biscayne Bay/Bear Cut is a prestressed concrete stringer/multi-beam or girder carrying Rickenbacker Cswy. over Biscayne Bay/Bear Cut in Miami-Dade County, Florida. It was built in 1944 and reconstructed in 1983, so it is 81 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 30,804 vehicles a day, roughly 3% of them trucks, projected to reach 46,012 by 2042. The structure is 2,102 ft (640.7 m) long and 104 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRickenbacker Cswy.
CrossesBiscayne Bay/Bear Cut
Location3.0 Miles E of Toll Plaza
StateFlorida
Coordinates25.73032, -80.15864
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.5 US tons
Inventory rating18.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans41
Design loadHL 93
Structure length2,102 ft (640.7 m)
Longest span51 ft (15.5 m)
Deck width104 ft (31.7 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,804 (2024)
Projected traffic46,012 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Rickenbacker Cswy. over Biscayne Bay/Bear Cut built?

It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1983.

What condition is Rickenbacker Cswy. over Biscayne Bay/Bear Cut 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 June 2024.

How much traffic does Rickenbacker Cswy. over Biscayne Bay/Bear Cut carry?

About 30,804 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Rickenbacker Cswy. over Biscayne Bay/Bear Cut?

The structure is 2,102 ft (640.7 m) long with a longest span of 51 ft (15.5 m) and a deck 104 ft wide.

Who owns Rickenbacker Cswy. over Biscayne Bay/Bear Cut?

It is owned by the County Highway Agency.