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Why was the bridge always tired? Too many crossings.
over COMB US1 RMP LT LC&ORNG
I93/US1 US1 INTERCHANGE
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 21,600 vehicles per day and is 21 years old.
Its sufficiency rating of 72.6 is above the national average of 63.6.
The NBI records a navigation clearance of 61 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 1029 feet long — a moderate crossing, about 30 seconds.
A standard bridge design.
About 61 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 21,600 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 36 feet wide with 2-3 lanes — moderate 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
2005
21 years old
Structure Type
Prestressed Concrete (Continuous) Segmental Box Girder
Total Length
1,029 ft
313.7 m
Deck Width
36 ft
11.0 m
Spans
7
sections between supports
Max Span
147 ft
longest unsupported section (44.9 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
61 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
21,600vehicles/day
42.37040°N, 71.06497°W
Prestressed Concrete (Continuous) Segmental Box Girder
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.