Why do engineers love bridges? They're outstanding in their field.
Why do engineers love bridges? They're outstanding in their field.
Crunching the numbers on America's infrastructure...
over TUMBLING RUN@FISHER HILL
0.10 TO 696 - 0.15 TO 757
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 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 471 vehicles per day and is 94 years old (reconstructed in 2011).
Its sufficiency rating of 72.1 is above 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 40 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.
Only about 471 vehicles cross daily — very light traffic with low congestion risk.
The deck is 22 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 (rebuilt 2011)
Structure Type
Prestressed Concrete Slab
Total Length
40 ft
12.2 m
Deck Width
22 ft
6.7 m
Spans
2
sections between supports
Max Span
18 ft
longest unsupported section (5.5 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
471vehicles/day
38.98689°N, 78.40138°W
Prestressed Concrete Slab
A prestressed concrete slab bridge uses a flat concrete deck that has been pretensioned for additional strength. Efficient for short to medium 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.