Connecting the data points... literally.
Connecting the data points... literally.
Did you know? The oldest bridge in the NBI was built in 1697.
over GRANITE CANYON
05-MON-001-64.33
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 11,100 vehicles per day and is 94 years old (reconstructed in 1998).
Its sufficiency rating of 63.6 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 288 feet long — a short crossing, about 10-15 seconds.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
About 11,100 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 28 feet wide with 1-2 lanes — a narrower crossing.
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
1932
94 years old (rebuilt 1998)
Structure Type
Concrete Arch (Deck)
Total Length
288 ft
87.8 m
Deck Width
28 ft
8.4 m
Spans
1
sections between supports
Max Span
127 ft
longest unsupported section (38.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
11,100vehicles/day
36.43539°N, 121.91887°W
Concrete Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
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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.