Why do engineers love bridges? They're outstanding in their field.
Why do engineers love bridges? They're outstanding in their field.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over HERRING RUN
0.6 MI W OF IS 95
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 58,858 vehicles per day and is 105 years old (reconstructed in 1933).
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 154 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.
About 58,858 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 105 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
1921
105 years old (rebuilt 1933)
Structure Type
Concrete Arch (Deck)
Total Length
154 ft
46.9 m
Deck Width
105 ft
32.0 m
Spans
1
sections between supports
Max Span
150 ft
longest unsupported section (45.7 m)
Traffic Lanes
6 lanes
Two-way traffic
Daily Traffic
58,858vehicles/day
39.30517°N, 76.53769°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.