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Crunching the numbers on America's infrastructure...
over HERRING RUN
0.25 MI S ARGONNE DRIVE
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 20,994 vehicles per day and is 115 years old (reconstructed in 1927).
Its sufficiency rating of 74.9 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 285 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 20,994 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 67 feet wide with multiple lanes — easy to stay in a center lane.
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
1911
115 years old (rebuilt 1927)
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
285 ft
86.9 m
Deck Width
67 ft
20.5 m
Spans
3
sections between supports
Max Span
135 ft
longest unsupported section (41.1 m)
Traffic Lanes
3 lanes
Two-way traffic
Daily Traffic
20,994vehicles/day
39.33425°N, 76.57629°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.