Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
The average US bridge is 48 years old. That's a lot of birthday candles.
over I-805 & S163-S805
11-SD-163-6.96-SD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
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 74,000 vehicles per day and is 54 years old.
Its sufficiency rating of 65.7 is above the national average of 63.6.
The NBI records a navigation clearance of 31 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 594 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 31 feet above ground — moderate height, similar to a 3-5 story building.
About 74,000 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 68 feet wide with multiple lanes — easy to stay in a center lane.
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
1972
54 years old
Structure Type
Prestressed Concrete (Continuous) Box Beam (Multiple)
Total Length
594 ft
181.1 m
Deck Width
68 ft
20.7 m
Spans
5
sections between supports
Max Span
165 ft
longest unsupported section (50.3 m)
Traffic Lanes
4 lanes
One-way traffic
Clearance Below
31 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
74,000vehicles/day
32.80743°N, 117.15310°W
Prestressed Concrete (Continuous) Box Beam (Multiple)
A prestressed concrete box beam bridge combines hollow box sections with prestressing technology, enabling longer spans with reduced weight and material usage.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track California to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
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.