Connecting the data points... literally.
Connecting the data points... literally.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over Thorn Spring
0.22 RT 683 & 0.10 RT 611
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 70 vehicles per day and is 94 years old.
Its sufficiency rating of 32.6 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 42 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
Only about 70 vehicles cross daily — very light traffic with low congestion risk.
The deck is 18 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
1932
94 years old
Structure Type
Concrete Arch (Deck)
Total Length
42 ft
12.8 m
Deck Width
18 ft
5.5 m
Spans
1
sections between supports
Max Span
42 ft
longest unsupported section (12.8 m)
Traffic Lanes
2 lanes
Daily Traffic
70vehicles/day
37.06213°N, 80.73998°W
Concrete Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
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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.