Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Bridges: the original social network. Connecting communities since 850 BC.
over NENANA RIVER AT WINDY
MILE POINT 180.2
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 1,090 vehicles per day and is 52 years old (reconstructed in 2006).
Its sufficiency rating of 60.8 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 389 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 1,090 vehicles cross daily — light traffic, a smooth crossing.
The deck is 35 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
1974
52 years old (rebuilt 2006)
Structure Type
Steel (Continuous) Box Beam (Multiple)
Total Length
389 ft
118.7 m
Deck Width
35 ft
10.7 m
Spans
2
sections between supports
Max Span
191 ft
longest unsupported section (58.2 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
1,090vehicles/day
63.45660°N, 148.80457°W
Steel (Continuous) Box Beam (Multiple)
A steel box beam bridge uses hollow rectangular steel sections that provide excellent torsional resistance and allow for longer spans.
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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.