Why don't bridges ever get lonely? Because they're always making connections.
Why don't bridges ever get lonely? Because they're always making connections.
Gathering condition ratings from coast to coast...
over WATER CHARLES RIVER
AT INT 14 L50
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 80,100 vehicles per day and is 69 years old.
Its sufficiency rating of 55.3 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 301 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 80,100 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 72 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
1957
69 years old
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
301 ft
91.6 m
Deck Width
72 ft
21.9 m
Spans
4
sections between supports
Max Span
80 ft
longest unsupported section (24.4 m)
Traffic Lanes
4 lanes
Two-way traffic
Daily Traffic
80,100vehicles/day
42.34108°N, 71.25977°W
Steel 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.