Connecting the data points... literally.
Connecting the data points... literally.
Gathering condition ratings from coast to coast...
over PETALUMA RIVER
NEAR DOWNTOWN PETALUMA
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 21,900 vehicles per day and is 56 years old.
Its sufficiency rating of 54.1 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge is likely to be a comfortable crossing for most travelers.
This bridge is 105 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 21,900 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 89 feet wide with multiple lanes — easy to stay in a center lane.
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
1970
56 years old
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
105 ft
32.0 m
Deck Width
89 ft
27.1 m
Spans
2
sections between supports
Max Span
51 ft
longest unsupported section (15.5 m)
Traffic Lanes
5 lanes
Two-way traffic
Daily Traffic
21,900vehicles/day
38.23582°N, 122.64046°W
Prestressed Concrete Stringer/Multi-beam/Girder
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter 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.