Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
Did you know? The oldest bridge in the NBI was built in 1697.
over POTRERO CREEK
0.5 MI. SE/O SANDERSON AV
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 19,252 vehicles per day and is 100 years old (reconstructed in 1949).
Its sufficiency rating of 57.1 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 47 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 19,252 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 39 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
1926
100 years old (rebuilt 1949)
Structure Type
Concrete Slab
Total Length
47 ft
14.3 m
Deck Width
39 ft
12.0 m
Spans
1
sections between supports
Max Span
42 ft
longest unsupported section (12.8 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
19,252vehicles/day
33.84318°N, 116.99645°W
Concrete 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.