Fun fact: The average American crosses 4 bridges a day without even noticing.
Fun fact: The average American crosses 4 bridges a day without even noticing.
Bridges: the original social network. Connecting communities since 850 BC.
over TWISP RIVER
10.9 W.SR20 @ TWISP
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 52 vehicles per day and is 67 years old.
Its sufficiency rating of 57.6 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 102 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 52 vehicles cross daily — very light traffic with low congestion risk.
The deck is 16 feet wide — a very narrow, single-lane 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
Structure Type
Concrete (Continuous) Stringer/Multi-beam/Girder
Total Length
102 ft
31.2 m
Deck Width
16 ft
4.9 m
Spans
2
sections between supports
Max Span
59 ft
longest unsupported section (18.1 m)
Traffic Lanes
1 lane
Daily Traffic
52vehicles/day
48.36389°N, 120.33694°W
Concrete (Continuous) Stringer/Multi-beam/Girder
A concrete stringer bridge uses reinforced concrete beams running parallel to traffic. It combines the durability of concrete with efficient beam-based load distribution.
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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.