Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
What do you call a bridge that tells jokes? A pun-toon bridge.
over HAMPSHIRE ROCKS S YUBA R
03-PLA-080-R64.54R
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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 27,000 vehicles per day and is 63 years old.
Its sufficiency rating of 58.3 places it below the national average of 63.6.
The NBI records a navigation clearance of 50 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 413 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 50 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 27,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 47 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
1963
63 years old
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
413 ft
125.9 m
Deck Width
47 ft
14.2 m
Spans
4
sections between supports
Max Span
102 ft
longest unsupported section (31.1 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
50 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
27,000vehicles/day
39.30518°N, 120.52679°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.