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Over 5 billion bridge crossings happen every single day in America.
over BISCAYNE BAY
2.4 Miles E of US-1
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Fair overall condition rating of 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 121,000 vehicles per day and is 67 years old (reconstructed in 1991).
Its sufficiency rating of 71.1 is above the national average of 63.6.
The NBI records a navigation clearance of 36 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 1138 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 36 feet above ground — moderate height, similar to a 3-5 story building.
About 121,000 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 126 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over water. Focus on the road ahead — the water is far below.
This comfort score is designed to help individuals with bridge anxiety plan their travel. All bridges in the National Bridge Inventory are regularly inspected and deemed safe for travel. This is not medical advice — if you experience severe anxiety, please consult a healthcare professional.
Year Built
1959
67 years old (rebuilt 1991)
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
1,138 ft
346.9 m
Deck Width
126 ft
38.4 m
Spans
17
sections between supports
Max Span
98 ft
longest unsupported section (29.9 m)
Traffic Lanes
6 lanes
Two-way traffic
Clearance Below
36 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
121,000vehicles/day
25.81053°N, 80.14867°W
Prestressed Concrete Stringer/Multi-beam/Girder
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter spans.
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Data from the National Bridge Inventory (NBI), maintained by the Federal Highway Administration (FHWA).
Data year: 2025. Conditions may have changed since the last inspection.
This information is provided for educational and informational purposes only. It should not be used as the sole basis for any decisions related to bridge safety or transportation planning. Always consult official sources and local authorities for the most current data.