Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
A bridge walked into a bar. The bartender said, 'Why the long span?'
over HILLSIDE NORTH BROADWAY
1.0 MI N OF U.S.-101
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 23,420 vehicles per day and is 97 years old.
Its sufficiency rating of 63.9 is above 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 484 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 23,420 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 12 feet wide — a very narrow, single-lane crossing.
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
1929
97 years old
Structure Type
Concrete (Continuous) Slab
Total Length
484 ft
147.5 m
Deck Width
12 ft
3.7 m
Spans
32
sections between supports
Max Span
15 ft
longest unsupported section (4.6 m)
Traffic Lanes
4 lanes
Two-way traffic
Daily Traffic
23,420vehicles/day
34.06882°N, 118.23317°W
Concrete (Continuous) Slab
A concrete slab bridge is a simple, solid concrete deck that acts as both the structural support and driving surface. Common for short spans, they are durable and low-maintenance.
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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.