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A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
over DONNER CANAL
1.2 MI NW OF LA.20
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 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 1,256 vehicles per day and is 9 years old.
Its sufficiency rating of 74.3 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 70 feet long — a quick crossing, under 5 seconds at highway speed.
A truss bridge — the steel framework can provide a sense of enclosure.
No height data available — likely a standard overpass height.
About 1,256 vehicles cross daily — light traffic, a smooth crossing.
The deck is 29 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
2017
9 years old
Structure Type
Steel Truss (Thru)
Total Length
70 ft
21.3 m
Deck Width
29 ft
8.8 m
Spans
1
sections between supports
Max Span
70 ft
longest unsupported section (21.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
1,256vehicles/day
29.67707°N, 90.97850°W
Steel Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.