Bridges: the original social network. Connecting communities since 850 BC.
Bridges: the original social network. Connecting communities since 850 BC.
Why did the truss bridge break up with the beam bridge? It needed more support.
over WILLAMETTE RIVER
WILLAMETTE RIVER MP 13.2
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 630 vehicles per day and is 11 years old.
Its sufficiency rating of 65.7 is above the national average of 63.6.
The NBI records a navigation clearance of 77 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 some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 1720 feet long — a longer crossing, over 1 minute.
A cable-stayed bridge with an open design and panoramic views.
About 77 feet above ground — an elevated crossing, similar to a 5-10 story building.
Only about 630 vehicles cross daily — very light traffic with low congestion risk.
The deck is 75 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
2015
11 years old
Structure Type
Prestressed Concrete (Continuous) Cable-Stayed
Total Length
1,720 ft
524.3 m
Deck Width
75 ft
23.0 m
Spans
3
sections between supports
Max Span
780 ft
longest unsupported section (237.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
77 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
630vehicles/day
45.50480°N, 122.66710°W
Prestressed Concrete (Continuous) Cable-Stayed
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter spans.
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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.