Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Did you know? The oldest bridge in the NBI was built in 1697.
over NATOMAS E MAIN DRAIN CNL
0.4 MI E OF NORTHGATE BLV
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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 12,744 vehicles per day and is 17 years old.
Its sufficiency rating of 72.0 is above 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 326 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 12,744 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 56 feet wide with 3-4 lanes — standard 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
2009
17 years old
Structure Type
Prestressed Concrete (Continuous) Slab
Total Length
326 ft
99.3 m
Deck Width
56 ft
17.2 m
Spans
6
sections between supports
Max Span
68 ft
longest unsupported section (20.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
12,744vehicles/day
38.61110°N, 121.46782°W
Prestressed Concrete (Continuous) Slab
A prestressed concrete slab bridge uses a flat concrete deck that has been pretensioned for additional strength. Efficient for short to medium 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.