Wow, there are a lot of bridges here... one second please.
Wow, there are a lot of bridges here... one second please.
A bridge walked into a bar. The bartender said, 'Why the long span?'
over SANBORN RD
05-MON-101-86.12-SAL
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 36,900 vehicles per day and is 72 years old (reconstructed in 1987).
Its sufficiency rating of 64.4 is above the national average of 63.6.
The NBI records a navigation clearance of 17 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 91 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 17 feet above ground — moderate height, similar to a 3-5 story building.
About 36,900 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 41 feet wide with 2-3 lanes — moderate width.
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
1954
72 years old (rebuilt 1987)
Structure Type
Concrete Box Beam (Multiple)
Total Length
91 ft
27.7 m
Deck Width
41 ft
12.4 m
Spans
1
sections between supports
Max Span
84 ft
longest unsupported section (25.6 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
17 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
36,900vehicles/day
36.66672°N, 121.62797°W
Concrete 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.