Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
Analyzing deck conditions, superstructure ratings, and bad puns...
over Willamette River
AT WILLAMETTE RIVER
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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 127,233 vehicles per day and is 73 years old (reconstructed in 1970).
Its sufficiency rating of 66.6 is above the national average of 63.6.
The NBI records a navigation clearance of 75 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 1137 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 75 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 127,233 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 119 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
1953
73 years old (rebuilt 1970)
Structure Type
Steel Girder & Floorbeam
Total Length
1,137 ft
346.5 m
Deck Width
119 ft
36.4 m
Spans
3
sections between supports
Max Span
250 ft
longest unsupported section (76.2 m)
Traffic Lanes
7 lanes
Two-way traffic
Clearance Below
75 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
127,233vehicles/day
45.29175°N, 122.76932°W
Steel Girder & Floorbeam
A steel girder bridge relies on large steel I-beams or plate girders as the primary load-bearing members. These bridges can span significant distances and carry heavy 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.