Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
What do you call a bridge that tells jokes? A pun-toon bridge.
over MONOCACY CREEK
EAST OF PA 378 BETHLEHEM
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
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 21,872 vehicles per day and is 29 years old.
Its sufficiency rating of 63.0 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 147 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 21,872 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 65 feet wide with 3-4 lanes — standard 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
1997
29 years old
Structure Type
Prestressed Concrete (Continuous) Box Beam (Multiple)
Total Length
147 ft
44.8 m
Deck Width
65 ft
19.7 m
Spans
2
sections between supports
Max Span
70 ft
longest unsupported section (21.3 m)
Traffic Lanes
4 lanes
Two-way traffic
Daily Traffic
21,872vehicles/day
40.62516°N, 75.38496°W
Prestressed Concrete (Continuous) Box Beam (Multiple)
A prestressed concrete box beam bridge combines hollow box sections with prestressing technology, enabling longer spans with reduced weight and material usage.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Pennsylvania to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
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.