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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 44,741 vehicles per day and is 77 years old.
Its sufficiency rating of 48.4 places it below the national average of 63.6.
The NBI records a navigation clearance of 198 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge has features that may be difficult for travelers with bridge anxiety. Planning ahead and using the tips below can help.
This bridge is 5978 feet long — an extended crossing, several minutes.
A suspension bridge — an open design, typically high above the waterway.
About 198 feet above ground — a very high bridge with panoramic views.
About 44,741 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 54 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
1949
77 years old
Structure Type
Steel (Continuous) Suspension
Total Length
1.13 mi
1822.1 m
Deck Width
54 ft
16.4 m
Spans
3
sections between supports
Max Span
2,800 ft
longest unsupported section (853.4 m)
Traffic Lanes
4 lanes
One-way traffic
Clearance Below
198 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
44,741vehicles/day
47.26472°N, 122.54603°W
Steel (Continuous) Suspension
A suspension bridge hangs the deck from cables supported by tall towers. This design enables the longest bridge spans in the world.
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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.