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.
Connecting the data points... literally.
over HIWASSEE RIVER & SOU RR
IN CHARLESTON CITY LIMITS
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 7,653 vehicles per day and is 31 years old.
Its sufficiency rating of 77.1 is above the national average of 63.6.
The NBI records a navigation clearance of 42 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 927 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 42 feet above ground — moderate height, similar to a 3-5 story building.
About 7,653 vehicles cross daily — light traffic, a smooth crossing.
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
1995
31 years old
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
927 ft
282.4 m
Deck Width
69 ft
21.0 m
Spans
7
sections between supports
Max Span
205 ft
longest unsupported section (62.5 m)
Traffic Lanes
3 lanes
Two-way traffic
Clearance Below
42 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
7,653vehicles/day
35.28987°N, 84.75705°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.