Over 5 billion bridge crossings happen every single day in America.
Over 5 billion bridge crossings happen every single day in America.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over UPPER THOROFARE
1.25 MI E.OF GSP & RT 621
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 10,415 vehicles per day and is 87 years old.
Its sufficiency rating of 62.3 places it below the national average of 63.6.
The NBI records a navigation clearance of 6 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 350 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 6 feet above ground — standard overpass height.
About 10,415 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 23 feet wide with 1-2 lanes — a narrower crossing.
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
1939
87 years old
Structure Type
Concrete Tee Beam
Total Length
350 ft
106.7 m
Deck Width
23 ft
7.0 m
Spans
14
sections between supports
Max Span
25 ft
longest unsupported section (7.6 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
6 ft
navigation clearance under deck
Daily Traffic
10,415vehicles/day
38.95757°N, 74.88154°W
Concrete Tee Beam
A concrete tee beam bridge uses T-shaped cross-section beams where the top flange serves as part of the deck, efficiently using concrete in both compression and tension.
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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.