Fetching data from the National Bridge Inventory...
Fetching data from the National Bridge Inventory...
Did you know? The oldest bridge in the NBI was built in 1697.
over UNION HOUSE CREEK
0.3 MI S OF MACK RD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
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 39,401 vehicles per day and is 102 years old (reconstructed in 1955).
Its sufficiency rating of 47.0 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 37 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 39,401 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 65 feet wide with 3-4 lanes — standard 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
1924
102 years old (rebuilt 1955)
Structure Type
Concrete Slab
Total Length
37 ft
11.3 m
Deck Width
65 ft
19.7 m
Spans
2
sections between supports
Max Span
19 ft
longest unsupported section (5.7 m)
Traffic Lanes
5 lanes
Two-way traffic
Daily Traffic
39,401vehicles/day
38.47033°N, 121.41700°W
Concrete Slab
A concrete slab bridge is a simple, solid concrete deck that acts as both the structural support and driving surface. Common for short spans, they are durable and low-maintenance.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track California to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
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.