Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
over UP RR BNSF RY NORTHGATE
03-SAC-160-R44.71-SAC
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 26,500 vehicles per day and is 58 years old.
Its sufficiency rating of 74.7 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 1140 feet long — a moderate crossing, about 30 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 26,500 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 46 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
1968
58 years old
Structure Type
Concrete (Continuous) Box Beam (Multiple)
Total Length
1,140 ft
347.5 m
Deck Width
46 ft
14.0 m
Spans
14
sections between supports
Max Span
90 ft
longest unsupported section (27.4 m)
Traffic Lanes
3 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
26,500vehicles/day
38.59774°N, 121.47328°W
Concrete (Continuous) 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.