Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
over Penn Ctr Undgrd St Sys
N of Market Street 28F12
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This bridge has a Fair overall condition rating of 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 17,600 vehicles per day and is 69 years old.
Its sufficiency rating of 55.8 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge is likely to be a comfortable crossing for most travelers.
This bridge is 70 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 17,600 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 70 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
1957
69 years old
Structure Type
Steel Girder & Floorbeam
Total Length
70 ft
21.3 m
Deck Width
70 ft
21.3 m
Spans
4
sections between supports
Max Span
17 ft
longest unsupported section (5.2 m)
Traffic Lanes
4 lanes
One-way traffic
Daily Traffic
17,600vehicles/day
39.95401°N, 75.16655°W
Steel Girder & Floorbeam
A steel girder bridge relies on large steel I-beams or plate girders as the primary load-bearing members. These bridges can span significant distances and carry heavy loads.
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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.