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.
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over PASSAGASSAWAKEAG RIVER
1.6 MI N OF US1 UNDERPASS
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 1,471 vehicles per day and is 57 years old.
Its sufficiency rating of 59.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 5 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 109 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 5 feet above ground — standard overpass height.
About 1,471 vehicles cross daily — light traffic, a smooth crossing.
The deck is 32 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
1969
57 years old
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
109 ft
33.2 m
Deck Width
32 ft
9.8 m
Spans
1
sections between supports
Max Span
104 ft
longest unsupported section (31.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
5 ft
navigation clearance under deck
Daily Traffic
1,471vehicles/day
44.44981°N, 69.03498°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.