Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Why did the truss bridge break up with the beam bridge? It needed more support.
over SUTTER SLOUGH
SAC RIV ACROSS COURTLAND
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This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 1,913 vehicles per day and is 87 years old (reconstructed in 1970).
Its sufficiency rating of 54.3 places it below 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 397 feet long — a short crossing, about 10-15 seconds.
A movable bridge — it may occasionally stop for boat traffic.
No height data available — likely a standard overpass height.
About 1,913 vehicles cross daily — light traffic, a smooth crossing.
The deck is 26 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
1939
87 years old (rebuilt 1970)
Structure Type
Steel Movable (Swing)
Total Length
397 ft
121.0 m
Deck Width
26 ft
7.9 m
Spans
2
sections between supports
Max Span
94 ft
longest unsupported section (28.5 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
1,913vehicles/day
38.32724°N, 121.57683°W
Steel Movable (Swing)
A movable bridge can change position to allow passage of boats or other traffic. Steel movable bridges include lift, bascule (drawbridge), and swing types.
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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.