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.
Why did the truss bridge break up with the beam bridge? It needed more support.
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 92,250 vehicles per day and is 51 years old.
Its sufficiency rating of 63.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 48 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 may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 410 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 48 feet above ground — moderate height, similar to a 3-5 story building.
About 92,250 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 80 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
1975
51 years old
Structure Type
Concrete (Continuous) Box Beam (Multiple)
Total Length
410 ft
125.0 m
Deck Width
80 ft
24.4 m
Spans
4
sections between supports
Max Span
108 ft
longest unsupported section (32.9 m)
Traffic Lanes
5 lanes
One-way traffic
Clearance Below
48 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
92,250vehicles/day
32.59063°N, 117.03646°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.