Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Analyzing deck conditions, superstructure ratings, and bad puns...
over POTOMAC CREEK
3.4M Rte. 17-3.5 Rte. 630
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 40,200 vehicles per day and is 3 years old.
Its sufficiency rating of 70.3 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 145 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.
About 40,200 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 51 feet wide with 3-4 lanes — standard width.
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
2023
3 years old
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
145 ft
44.2 m
Deck Width
51 ft
15.6 m
Spans
1
sections between supports
Max Span
139 ft
longest unsupported section (42.4 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
40,200vehicles/day
38.37986°N, 77.45533°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.