Wow, there are a lot of bridges here... one second please.
Wow, there are a lot of bridges here... one second please.
Crunching the numbers on America's infrastructure...
over CHADAKOIN RIVER
AT JAMESTOWN
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 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 5,837 vehicles per day and is 154 years old (reconstructed in 2018).
Its sufficiency rating of 56.5 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 75 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 5,837 vehicles cross daily — light traffic, a smooth crossing.
The deck is 65 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
1872
154 years old (rebuilt 2018)
Structure Type
Masonry Arch (Deck)
Total Length
75 ft
22.9 m
Deck Width
65 ft
19.9 m
Spans
2
sections between supports
Max Span
30 ft
longest unsupported section (9.1 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
5,837vehicles/day
42.09399°N, 79.24027°W
Masonry Arch (Deck)
A masonry arch bridge uses stone or brick arranged in an arch shape — one of the oldest bridge designs in the world. The arch transfers loads to the abutments through compression.
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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.