Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
over MD 648E MTA LIGHT RAIL
0.78 MILE NORTH OF MD 176
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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 124,594 vehicles per day and is 71 years old (reconstructed in 1979).
Its sufficiency rating of 62.3 places it below the national average of 63.6.
The NBI records a navigation clearance of 22 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 262 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 22 feet above ground — moderate height, similar to a 3-5 story building.
About 124,594 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 135 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over land, not water — no water views 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
1955
71 years old (rebuilt 1979)
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
262 ft
79.9 m
Deck Width
135 ft
41.2 m
Spans
5
sections between supports
Max Span
63 ft
longest unsupported section (19.2 m)
Traffic Lanes
6 lanes
Two-way traffic
Clearance Below
22 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
124,594vehicles/day
39.17581°N, 76.63634°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.