Why do engineers love bridges? They're outstanding in their field.
Why do engineers love bridges? They're outstanding in their field.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over Pend Oreille River
0.70 E JCT SR20
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 1,900 vehicles per day and is 62 years old.
Its sufficiency rating of 53.0 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 2282 feet long — a longer crossing, over 1 minute.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 1,900 vehicles cross daily — light traffic, a smooth crossing.
The deck is 28 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
1964
62 years old
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
2,282 ft
695.6 m
Deck Width
28 ft
8.6 m
Spans
24
sections between supports
Max Span
68 ft
longest unsupported section (20.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
1,900vehicles/day
48.31672°N, 117.27512°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.