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over Columbia River
WASH. STATE LINE
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 21,169 vehicles per day and is 97 years old (reconstructed in 2003).
Its sufficiency rating of 64.2 is above 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 5478 feet long — an extended crossing, several minutes.
A truss bridge — the steel framework can provide a sense of enclosure.
About 198 feet above ground — a very high bridge with panoramic views.
About 21,169 vehicles cross daily — moderate traffic, some congestion possible.
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
1929
97 years old (rebuilt 2003)
Structure Type
Steel (Continuous) Truss (Thru)
Total Length
1.04 mi
1669.7 m
Deck Width
35 ft
10.7 m
Spans
3
sections between supports
Max Span
1,200 ft
longest unsupported section (365.8 m)
Traffic Lanes
2 lanes
Two-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
21,169vehicles/day
46.09911°N, 122.96692°W
Steel (Continuous) Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.