Bridges: the original social network. Connecting communities since 850 BC.
Bridges: the original social network. Connecting communities since 850 BC.
Gathering condition ratings from coast to coast...
over WATER CONNECTICUT RIVER
SUNDERLAND BRIDGE
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 35,300 vehicles per day and is 89 years old (reconstructed in 1994).
Its sufficiency rating of 63.1 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 1175 feet long — a moderate crossing, about 30 seconds.
A truss bridge — the steel framework can provide a sense of enclosure.
No height data available — likely a standard overpass height.
About 35,300 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 51 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
1937
89 years old (rebuilt 1994)
Structure Type
Steel Truss (Deck)
Total Length
1,175 ft
358.1 m
Deck Width
51 ft
15.5 m
Spans
6
sections between supports
Max Span
153 ft
longest unsupported section (46.6 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
35,300vehicles/day
42.46762°N, 72.58487°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.
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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.