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A bridge walked into a bar. The bartender said, 'Why the long span?'
over WATER SUDBURY RIVER
.1 MI S OF ST-9
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 7,950 vehicles per day and is 148 years old (reconstructed in 2009).
Its sufficiency rating of 56.0 places it below 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 77 feet long — a quick crossing, under 5 seconds at highway speed.
A truss bridge — the steel framework can provide a sense of enclosure.
No height data available — likely a standard overpass height.
About 7,950 vehicles cross daily — light traffic, a smooth crossing.
The deck is 33 feet wide with 2-3 lanes — moderate 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
1878
148 years old (rebuilt 2009)
Structure Type
Aluminum/Wrought Iron/Cast Iron Truss (Thru)
Total Length
77 ft
23.4 m
Deck Width
33 ft
10.2 m
Spans
1
sections between supports
Max Span
67 ft
longest unsupported section (20.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
7,950vehicles/day
42.29706°N, 71.42724°W
Aluminum/Wrought Iron/Cast Iron Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.