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Crunching the numbers on America's infrastructure...
over MARKHAM RAVINE
SOUTH OF NICOLAUS ROAD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 6,950 vehicles per day and is 12 years old.
Its sufficiency rating of 71.7 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 69 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 6,950 vehicles cross daily — light traffic, a smooth crossing.
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
2014
12 years old
Structure Type
Prestressed Concrete Slab
Total Length
69 ft
21.0 m
Deck Width
46 ft
13.9 m
Spans
1
sections between supports
Max Span
69 ft
longest unsupported section (21.0 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
6,950vehicles/day
38.89451°N, 121.34008°W
Prestressed Concrete 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.