Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Over 5 billion bridge crossings happen every single day in America.
over HWY 1 I-5
0.5 MI E OF PORTLAND CC
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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 71,767 vehicles per day and is 63 years old.
Its sufficiency rating of 38.8 places it below the national average of 63.6.
The NBI records a navigation clearance of 15 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 1827 feet long — a longer crossing, over 1 minute.
A standard overpass design with solid barriers on each side.
About 15 feet above ground — standard overpass height.
About 71,767 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 26 feet wide with 1-2 lanes — a narrower crossing.
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
1963
63 years old
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
1,827 ft
556.9 m
Deck Width
26 ft
7.9 m
Spans
15
sections between supports
Max Span
140 ft
longest unsupported section (42.7 m)
Traffic Lanes
1 lane
One-way traffic
Clearance Below
15 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
71,767vehicles/day
45.52590°N, 122.66590°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.