Connecting the data points... literally.
Connecting the data points... literally.
41,685 bridges are in poor condition. But this loading screen isn't one of them.
over MULTNOMAH CHANNEL
MULTNOMAH CHANNEL MP 205
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 5,463 vehicles per day and is 18 years old.
Its sufficiency rating of 75.3 is above the national average of 63.6.
The NBI records a navigation clearance of 52 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 may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 1177 feet long — a moderate crossing, about 30 seconds.
An arch bridge design with some openness to the surroundings.
About 52 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 5,463 vehicles cross daily — light traffic, a smooth crossing.
The deck is 66 feet wide with multiple lanes — easy to stay in a center lane.
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
2008
18 years old
Structure Type
Steel Arch (Thru)
Total Length
1,177 ft
358.8 m
Deck Width
66 ft
20.2 m
Spans
1
sections between supports
Max Span
365 ft
longest unsupported section (111.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
52 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
5,463vehicles/day
45.62801°N, 122.81599°W
Steel Arch (Thru)
A steel arch bridge uses a curved steel structure to carry loads primarily through compression. These bridges are known for their elegant appearance and structural efficiency.
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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.