Wow, there are a lot of bridges here... one second please.
Wow, there are a lot of bridges here... one second please.
Loading 624,191 bridges... give or take a few.
over SAN LEANDRO BAY
04-ALA-061-18.55-ALA
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 43,600 vehicles per day and is 73 years old.
Its sufficiency rating of 56.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 21 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 has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 963 feet long — a moderate crossing, about 30 seconds.
A movable bridge — it may occasionally stop for boat traffic.
About 21 feet above ground — moderate height, similar to a 3-5 story building.
About 43,600 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 65 feet wide with 3-4 lanes — standard 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
1953
73 years old
Structure Type
Steel Movable (Bascule)
Total Length
963 ft
293.5 m
Deck Width
65 ft
19.9 m
Spans
1
sections between supports
Max Span
105 ft
longest unsupported section (31.9 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
21 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
43,600vehicles/day
37.74745°N, 122.23601°W
Steel Movable (Bascule)
A movable bridge can change position to allow passage of boats or other traffic. Steel movable bridges include lift, bascule (drawbridge), and swing types.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track California to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
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.