Connecting the data points... literally.
Connecting the data points... literally.
Why do engineers love bridges? They're outstanding in their field.
over SW Terwilliger Blvd.
1.7 M S OF ROSS ISL. BR.
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 6,649 vehicles per day and is 33 years old.
Its sufficiency rating of 54.6 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 290 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 6,649 vehicles cross daily — light traffic, a smooth crossing.
The deck is 37 feet wide with 2-3 lanes — moderate width.
This bridge crosses over land, not water — no water views 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
1993
33 years old
Structure Type
Concrete (Continuous) Box Beam (Multiple)
Total Length
290 ft
88.4 m
Deck Width
37 ft
11.2 m
Spans
3
sections between supports
Max Span
130 ft
longest unsupported section (39.6 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
6,649vehicles/day
45.46980°N, 122.68627°W
Concrete (Continuous) Box Beam (Multiple)
A concrete box beam bridge uses hollow rectangular concrete sections. The box shape provides excellent torsional resistance and allows for longer 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.