Bridges: the original social network. Connecting communities since 850 BC.
Bridges: the original social network. Connecting communities since 850 BC.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over SUTTER BYPASS
03-SUT-020-4.22
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 7,600 vehicles per day and is 88 years old (reconstructed in 2000).
Its sufficiency rating of 54.8 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 4149 feet long — an extended crossing, several minutes.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 7,600 vehicles cross daily — light traffic, a smooth crossing.
The deck is 44 feet wide with 2-3 lanes — moderate width.
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
1938
88 years old (rebuilt 2000)
Structure Type
Concrete (Continuous) Slab
Total Length
4,149 ft
1264.5 m
Deck Width
44 ft
13.3 m
Spans
197
sections between supports
Max Span
22 ft
longest unsupported section (6.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
7,600vehicles/day
39.14301°N, 121.84236°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.