Fun fact: The average American crosses 4 bridges a day without even noticing.
Fun fact: The average American crosses 4 bridges a day without even noticing.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
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 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 4,900 vehicles per day and is 79 years old.
Its sufficiency rating of 59.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 1 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 687 feet long — a moderate crossing, about 30 seconds.
A suspension bridge — an open design, typically high above the waterway.
About 1 feet above ground — standard overpass height.
About 4,900 vehicles cross daily — light traffic, a smooth crossing.
The deck is 29 feet wide with 1-2 lanes — a narrower crossing.
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
1947
79 years old
Structure Type
Steel Suspension
Total Length
687 ft
209.4 m
Deck Width
29 ft
8.9 m
Spans
1
sections between supports
Max Span
420 ft
longest unsupported section (128.0 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
1 ft
navigation clearance under deck
Daily Traffic
4,900vehicles/day
30.09924°N, 83.17175°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.