Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
The average US bridge is 48 years old. That's a lot of birthday candles.
over WATER SUDBURY RIVER
AT RIVER RD
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 12,500 vehicles per day and is 70 years old.
Its sufficiency rating of 58.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 7 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 109 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 7 feet above ground — standard overpass height.
About 12,500 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 41 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
1956
70 years old
Structure Type
Concrete (Continuous) Slab
Total Length
109 ft
33.2 m
Deck Width
41 ft
12.4 m
Spans
6
sections between supports
Max Span
18 ft
longest unsupported section (5.5 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
7 ft
navigation clearance under deck
Daily Traffic
12,500vehicles/day
42.37416°N, 71.38154°W
Concrete (Continuous) Slab
A concrete slab bridge is a simple, solid concrete deck that acts as both the structural support and driving surface. Common for short spans, they are durable and low-maintenance.
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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.