Loading structural data... this is riveting stuff.
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What did one bridge say to the other? 'You're looking a bit stressed.'
over UNION RIVER
.5 MI S OF JCT US1A
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 16,449 vehicles per day and is 103 years old (reconstructed in 1990).
Its sufficiency rating of 56.2 places it below the national average of 63.6.
The NBI records a navigation clearance of 9 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 158 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
About 9 feet above ground — standard overpass height.
About 16,449 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 49 feet wide with 2-3 lanes — moderate 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
1923
103 years old (rebuilt 1990)
Structure Type
Concrete Arch (Deck)
Total Length
158 ft
48.2 m
Deck Width
49 ft
14.8 m
Spans
4
sections between supports
Max Span
35 ft
longest unsupported section (10.7 m)
Traffic Lanes
3 lanes
Two-way traffic
Clearance Below
9 ft
navigation clearance under deck
Daily Traffic
16,449vehicles/day
44.54087°N, 68.42588°W
Concrete Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
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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.