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 NOVATO CREEK
04-MRN-037-11.96-NVTO
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 17,000 vehicles per day and is 67 years old.
Its sufficiency rating of 61.9 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 720 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 17,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 33 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
1959
67 years old
Structure Type
Concrete (Continuous) Slab
Total Length
720 ft
219.5 m
Deck Width
33 ft
10.2 m
Spans
30
sections between supports
Max Span
24 ft
longest unsupported section (7.3 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
17,000vehicles/day
38.08731°N, 122.53482°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.