Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Connecting the data points... literally.
over GREEN RV & GREEN RV RD.
GREEN RIVER AT S 277TH ST
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 22,100 vehicles per day and is 26 years old.
Its sufficiency rating of 71.3 is above the national average of 63.6.
The NBI records a navigation clearance of 44 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 467 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 44 feet above ground — moderate height, similar to a 3-5 story building.
About 22,100 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 81 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
2000
26 years old
Structure Type
Concrete Box Beam (Multiple)
Total Length
467 ft
142.3 m
Deck Width
81 ft
24.7 m
Spans
3
sections between supports
Max Span
183 ft
longest unsupported section (55.8 m)
Traffic Lanes
5 lanes
Two-way traffic
Clearance Below
44 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
22,100vehicles/day
47.35444°N, 122.20994°W
Concrete Box Beam (Multiple)
A concrete box beam bridge uses hollow rectangular concrete sections. The box shape provides excellent torsional resistance and allows for longer 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.