Connecting the data points... literally.
Connecting the data points... literally.
The average US bridge is 48 years old. That's a lot of birthday candles.
over ISSAQUAH CREEK
0.2 MI W OF E LK SAMM PKW
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 44,000 vehicles per day and is 30 years old.
Its sufficiency rating of 60.1 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge is likely to be a comfortable crossing for most travelers.
This bridge is 150 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 44,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 92 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
1996
30 years old
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
150 ft
45.7 m
Deck Width
92 ft
28.0 m
Spans
1
sections between supports
Max Span
145 ft
longest unsupported section (44.2 m)
Traffic Lanes
6 lanes
Two-way traffic
Daily Traffic
44,000vehicles/day
47.55200°N, 122.04789°W
Prestressed Concrete Stringer/Multi-beam/Girder
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter spans.
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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.