Connecting the data points... literally.
Connecting the data points... literally.
Connecting the data points... literally.
over GUNPOWDER FALLS
1.92 M N OF MD 137
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 59,820 vehicles per day and is 68 years old (reconstructed in 1987).
Its sufficiency rating of 61.0 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 359 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 59,820 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 38 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
1958
68 years old (rebuilt 1987)
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
359 ft
109.4 m
Deck Width
38 ft
11.6 m
Spans
3
sections between supports
Max Span
118 ft
longest unsupported section (36.0 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
59,820vehicles/day
0.00011°N, 0.00000°W
Steel (Continuous) Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.