Bridges: the original social network. Connecting communities since 850 BC.
Bridges: the original social network. Connecting communities since 850 BC.
Why did the bridge go to therapy? It had too many spans of anxiety.
over CORTE MADERA CREEK
3.0 MI E OF US HWY 101
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 32,300 vehicles per day and is 100 years old (reconstructed in 1950).
Its sufficiency rating of 54.4 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 63 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
About 32,300 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 44 feet wide with 2-3 lanes — moderate width.
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
1926
100 years old (rebuilt 1950)
Structure Type
Concrete Arch (Deck)
Total Length
63 ft
19.2 m
Deck Width
44 ft
13.4 m
Spans
1
sections between supports
Max Span
50 ft
longest unsupported section (15.2 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
32,300vehicles/day
37.96790°N, 122.55980°W
Concrete Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
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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.