The average US bridge is 48 years old. That's a lot of birthday candles.
The average US bridge is 48 years old. That's a lot of birthday candles.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
over REDWOOD CREEK
04-SM-101-6.20-RDWC
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 195,000 vehicles per day and is 68 years old (reconstructed in 1972).
Its sufficiency rating of 65.9 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 374 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 195,000 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 164 feet wide with multiple lanes — easy to stay in a center lane.
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
1958
68 years old (rebuilt 1972)
Structure Type
Concrete (Continuous) Slab
Total Length
374 ft
114.0 m
Deck Width
164 ft
50.0 m
Spans
11
sections between supports
Max Span
34 ft
longest unsupported section (10.4 m)
Traffic Lanes
10 lanes
Two-way traffic
Daily Traffic
195,000vehicles/day
37.49435°N, 122.22552°W
Concrete (Continuous) 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.
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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.