If I had a dime for every bridge I've crossed, I'd have about ten bucks by now.
If I had a dime for every bridge I've crossed, I'd have about ten bucks by now.
The average US bridge is 48 years old. That's a lot of birthday candles.
over SAN FRANCISCO BAY 3 STS
04-SF-080-6.35L-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 200,000 vehicles per day and is 90 years old (reconstructed in 1962).
Its sufficiency rating of 46.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 185 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 features that may be difficult for travelers with bridge anxiety. Planning ahead and using the tips below can help.
This bridge is 10303 feet long — an extended crossing, several minutes.
A suspension bridge — an open design, typically high above the waterway.
About 185 feet above ground — a high bridge with significant elevation.
About 200,000 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 125 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
1936
90 years old (rebuilt 1962)
Structure Type
Steel Suspension
Total Length
1.95 mi
3140.5 m
Deck Width
125 ft
38.2 m
Spans
6
sections between supports
Max Span
2,310 ft
longest unsupported section (704.1 m)
Traffic Lanes
10 lanes
Two-way traffic
Clearance Below
185 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
200,000vehicles/day
37.78643°N, 122.39058°W
Steel Suspension
A suspension bridge hangs the deck from cables supported by tall towers. This design enables the longest bridge spans in the world.
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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.