The average US bridge is 48 years old. That's a lot of birthday candles.
The average US bridge is 48 years old. That's a lot of birthday candles.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over CENTINELA CREEK
50FT E/O ROUTE I-405
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 30,500 vehicles per day and is 90 years old (reconstructed in 1963).
Its sufficiency rating of 72.0 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 213 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 30,500 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 88 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
1936
90 years old (rebuilt 1963)
Structure Type
Other Slab
Total Length
213 ft
64.9 m
Deck Width
88 ft
26.9 m
Spans
5
sections between supports
Max Span
42 ft
longest unsupported section (12.9 m)
Traffic Lanes
7 lanes
Two-way traffic
Daily Traffic
30,500vehicles/day
33.97208°N, 118.37747°W
Other Slab
A culvert is a structure that channels water or provides passage beneath a roadway. Despite their utilitarian purpose, culverts make up a significant portion of the bridge inventory.
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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.