Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Fetching data from the National Bridge Inventory...
over WATER CHARLES RIVER
0.8 KM N. OF BRIDGE ST
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 1,810 vehicles per day and is 129 years old (reconstructed in 1990).
Its sufficiency rating of 48.5 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 64 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
About 1,810 vehicles cross daily — light traffic, a smooth crossing.
The deck is 20 feet wide with 1-2 lanes — a narrower crossing.
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
1897
129 years old (rebuilt 1990)
Structure Type
Steel Arch (Deck)
Total Length
64 ft
19.5 m
Deck Width
20 ft
6.1 m
Spans
1
sections between supports
Max Span
60 ft
longest unsupported section (18.4 m)
Traffic Lanes
1 lane
Daily Traffic
1,810vehicles/day
42.27579°N, 71.30957°W
Steel Arch (Deck)
A steel arch bridge uses a curved steel structure to carry loads primarily through compression. These bridges are known for their elegant appearance and structural efficiency.
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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.