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.
Analyzing deck conditions, superstructure ratings, and bad puns...
over WINNIPESAUKEE RIVER
1.0 MI BELMONT T.L.
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 18,507 vehicles per day and is 56 years old (reconstructed in 2015).
Its sufficiency rating of 65.3 is above 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 362 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 18,507 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 69 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
1970
56 years old (rebuilt 2015)
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
362 ft
110.3 m
Deck Width
69 ft
21.1 m
Spans
2
sections between supports
Max Span
37 ft
longest unsupported section (11.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
18,507vehicles/day
43.52641°N, 71.46894°W
Steel (Continuous) Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.