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.
Over 5 billion bridge crossings happen every single day in America.
over WATER IPSWICH RIVER
SOUTH IPSWICH ROAD
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 6,000 vehicles per day and is 18 years old.
Its sufficiency rating of 70.7 is above the national average of 63.6.
The NBI records a navigation clearance of 48 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 70 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 48 feet above ground — moderate height, similar to a 3-5 story building.
About 6,000 vehicles cross daily — light traffic, a smooth crossing.
The deck is 28 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
2008
18 years old
Structure Type
Prestressed Concrete Box Beam (Multiple)
Total Length
70 ft
21.3 m
Deck Width
28 ft
8.5 m
Spans
1
sections between supports
Max Span
48 ft
longest unsupported section (14.6 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
48 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
6,000vehicles/day
42.65378°N, 70.91192°W
Prestressed Concrete 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.
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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.