Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
Connecting the data points... literally.
over 280/101 INTERCHANGE
04-SF-280-R4.07R-SF
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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 170,000 vehicles per day and is 66 years old.
Its sufficiency rating of 63.0 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 494 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 170,000 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 73 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over land, not water — no water views 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
1960
66 years old
Structure Type
Concrete (Continuous) Box Beam (Multiple)
Total Length
494 ft
150.6 m
Deck Width
73 ft
22.3 m
Spans
5
sections between supports
Max Span
100 ft
longest unsupported section (30.5 m)
Traffic Lanes
4 lanes
One-way traffic
Daily Traffic
170,000vehicles/day
37.73350°N, 122.41116°W
Concrete (Continuous) Box Beam (Multiple)
A concrete box beam bridge uses hollow rectangular concrete sections. The box shape provides excellent torsional resistance and allows for longer 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.