Why do engineers love bridges? They're outstanding in their field.
Why do engineers love bridges? They're outstanding in their field.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
over SAN JOAQUIN RIVER
3 MI N/E STATE ROUTE 33
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 12,585 vehicles per day and is 67 years old.
Its sufficiency rating of 60.0 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 648 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 12,585 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 33 feet wide with 1-2 lanes — a narrower crossing.
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
1959
67 years old
Structure Type
Concrete (Continuous) Slab
Total Length
648 ft
197.5 m
Deck Width
33 ft
10.0 m
Spans
22
sections between supports
Max Span
30 ft
longest unsupported section (9.1 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
12,585vehicles/day
37.49356°N, 121.08114°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.