Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
Analyzing deck conditions, superstructure ratings, and bad puns...
over GRANDY CREEK NEAR LAKE
4.0 NE JCT SR 20
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 725 vehicles per day and is 58 years old.
Its sufficiency rating of 59.1 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 41 feet long — a quick crossing, under 5 seconds at highway speed.
A standard bridge design.
No height data available — likely a standard overpass height.
Only about 725 vehicles cross daily — very light traffic with low congestion risk.
The deck is 30 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
1968
58 years old
Structure Type
Prestressed Concrete Channel Beam
Total Length
41 ft
12.4 m
Deck Width
30 ft
9.1 m
Spans
1
sections between supports
Max Span
39 ft
longest unsupported section (12.0 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
725vehicles/day
48.56230°N, 121.81597°W
Prestressed Concrete Channel Beam
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.