The Golden Gate Bridge uses 80,000 miles of wire in its cables.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
Why was the bridge always tired? Too many crossings.
over COMB AMTRAK & CONN RIV
SOUTH END BRIDGE
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 55,323 vehicles per day and is 72 years old (reconstructed in 2006).
Its sufficiency rating of 58.2 places it below the national average of 63.6.
The NBI records a navigation clearance of 32 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 may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 1459 feet long — a moderate crossing, about 30 seconds.
A truss bridge — the steel framework can provide a sense of enclosure.
About 32 feet above ground — moderate height, similar to a 3-5 story building.
About 55,323 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 72 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
1954
72 years old (rebuilt 2006)
Structure Type
Steel Truss (Deck)
Total Length
1,459 ft
444.7 m
Deck Width
72 ft
21.9 m
Spans
7
sections between supports
Max Span
300 ft
longest unsupported section (91.4 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
32 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
55,323vehicles/day
42.08142°N, 72.58315°W
Steel Truss (Deck)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Massachusetts 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.