Loading structural data... this is riveting stuff.
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What did one bridge say to the other? 'You're looking a bit stressed.'
over SQUAW CREEK
JCT US20/N71 8SE
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 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 30 vehicles per day and is 67 years old (reconstructed in 1985).
Its sufficiency rating of 63.0 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 36 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
Only about 30 vehicles cross daily — very light traffic with low congestion risk.
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
1959
67 years old (rebuilt 1985)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
36 ft
11.0 m
Deck Width
20 ft
6.1 m
Spans
1
sections between supports
Max Span
34 ft
longest unsupported section (10.4 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
30vehicles/day
42.63190°N, 103.31650°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.