What do you call a bridge that tells jokes? A pun-toon bridge.
What do you call a bridge that tells jokes? A pun-toon bridge.
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 15,000 vehicles per day and is 48 years old.
Its sufficiency rating of 65.6 is above the national average of 63.6.
The NBI records a navigation clearance of 60 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 4091 feet long — an extended crossing, several minutes.
An arch bridge design with some openness to the surroundings.
About 60 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 15,000 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
1978
48 years old
Structure Type
Steel (Continuous) Arch (Thru)
Total Length
4,091 ft
1246.8 m
Deck Width
65 ft
19.8 m
Spans
3
sections between supports
Max Span
821 ft
longest unsupported section (250.3 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
60 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
15,000vehicles/day
37.02403°N, 89.21101°W
Steel (Continuous) Arch (Thru)
A steel arch bridge uses a curved steel structure to carry loads primarily through compression. These bridges are known for their elegant appearance and structural efficiency.
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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.