A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
Did you know? The oldest bridge in the NBI was built in 1697.
over CLIFF
Blvd of The Allies Bluffs
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 30,717 vehicles per day and is 76 years old (reconstructed in 2001).
Its sufficiency rating of 62.5 places it below the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 336 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 30,717 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 27 feet wide with 1-2 lanes — a narrower crossing.
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
1950
76 years old (rebuilt 2001)
Structure Type
Prestressed Concrete Box Beam (Multiple)
Total Length
336 ft
102.4 m
Deck Width
27 ft
8.1 m
Spans
12
sections between supports
Max Span
28 ft
longest unsupported section (8.5 m)
Traffic Lanes
2 lanes
One-way traffic
Daily Traffic
30,717vehicles/day
40.43505°N, 79.98630°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.