Connecting the data points... literally.
Connecting the data points... literally.
Crunching the numbers on America's infrastructure...
over SHIP HBR/GUEMES CHANNEL
7.8N ON SR20 SPUR
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This bridge has a Fair overall condition rating of 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 3,227 vehicles per day and is 55 years old (reconstructed in 2002).
Its sufficiency rating of 62.9 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 105 feet long — a quick crossing, under 5 seconds at highway speed.
A movable bridge — it may occasionally stop for boat traffic.
No height data available — likely a standard overpass height.
About 3,227 vehicles cross daily — light traffic, a smooth crossing.
The deck is 24 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
1971
55 years old (rebuilt 2002)
Structure Type
Steel Movable (Lift)
Total Length
105 ft
32.0 m
Deck Width
24 ft
7.3 m
Spans
1
sections between supports
Max Span
80 ft
longest unsupported section (24.4 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
3,227vehicles/day
48.50667°N, 122.67667°W
Steel Movable (Lift)
A movable bridge can change position to allow passage of boats or other traffic. Steel movable bridges include lift, bascule (drawbridge), and swing types.
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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.