Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Gathering condition ratings from coast to coast...
over MONTCLAIR-BOONTON LINE
0.3 MI SW US46&CR631 JCT
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 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 9,780 vehicles per day and is 42 years old.
Its sufficiency rating of 56.2 places it below the national average of 63.6.
The NBI records a navigation clearance of 23 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 is likely to be a comfortable crossing for most travelers.
This bridge is 106 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 23 feet above ground — moderate height, similar to a 3-5 story building.
About 9,780 vehicles cross daily — light traffic, a smooth crossing.
The deck is 64 feet wide with 3-4 lanes — standard width.
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
1984
42 years old
Structure Type
Prestressed Concrete Slab
Total Length
106 ft
32.3 m
Deck Width
64 ft
19.5 m
Spans
3
sections between supports
Max Span
51 ft
longest unsupported section (15.5 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
23 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
9,780vehicles/day
40.87344°N, 74.20672°W
Prestressed Concrete Slab
A prestressed concrete slab bridge uses a flat concrete deck that has been pretensioned for additional strength. Efficient for short to medium spans.
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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.