A bridge walked into a bar. The bartender said, 'Why the long span?'
A bridge walked into a bar. The bartender said, 'Why the long span?'
Why do engineers love bridges? They're outstanding in their field.
over SLIGO CR PKWY & SLIGO CR
0.5 MILE NORTH OF MD 410
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 7,500 vehicles per day and is 94 years old (reconstructed in 2017).
Its sufficiency rating of 70.6 is above the national average of 63.6.
The NBI records a navigation clearance of 14 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 226 feet long — a short crossing, about 10-15 seconds.
An arch bridge design with some openness to the surroundings.
About 14 feet above ground — standard overpass height.
About 7,500 vehicles cross daily — light traffic, a smooth crossing.
The deck is 45 feet wide with 2-3 lanes — moderate 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
1932
94 years old (rebuilt 2017)
Structure Type
Concrete Arch (Deck)
Total Length
226 ft
68.9 m
Deck Width
45 ft
13.8 m
Spans
3
sections between supports
Max Span
90 ft
longest unsupported section (27.4 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
14 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
7,500vehicles/day
38.98298°N, 77.00049°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.