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.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over READING/NORTHERN RR T571
HAMBURG
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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 55,285 vehicles per day and is 71 years old (reconstructed in 1984).
Its sufficiency rating of 57.4 places it below the national average of 63.6.
The NBI records a navigation clearance of 29 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 has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 1802 feet long — a longer crossing, over 1 minute.
An arch bridge design with some openness to the surroundings.
About 29 feet above ground — moderate height, similar to a 3-5 story building.
About 55,285 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 69 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
1955
71 years old (rebuilt 1984)
Structure Type
Concrete Arch (Deck)
Total Length
1,802 ft
549.2 m
Deck Width
69 ft
20.9 m
Spans
8
sections between supports
Max Span
158 ft
longest unsupported section (48.2 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
29 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
55,285vehicles/day
40.55948°N, 75.99125°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.