A bridge walked into a bar. The bartender said, 'Why the long span?'
A bridge walked into a bar. The bartender said, 'Why the long span?'
Why did the truss bridge break up with the beam bridge? It needed more support.
over Mariposa Canyon
0.2 mi W Jct I-19
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 18,816 vehicles per day and is 49 years old (reconstructed in 2020).
Its sufficiency rating of 70.5 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 207 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 18,816 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 121 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
1977
49 years old (rebuilt 2020)
Structure Type
Concrete (Continuous) Box Beam (Single/Spread)
Total Length
207 ft
63.1 m
Deck Width
121 ft
36.9 m
Spans
3
sections between supports
Max Span
80 ft
longest unsupported section (24.4 m)
Traffic Lanes
4 lanes
Two-way traffic
Daily Traffic
18,816vehicles/day
31.36467°N, 110.94663°W
Concrete (Continuous) Box Beam (Single)
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.