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.
Analyzing deck conditions, superstructure ratings, and bad puns...
over N BR BOARDMAN RIVER
S LTS OF KALKASKA
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 8,567 vehicles per day and is 86 years old (reconstructed in 2000).
Its sufficiency rating of 66.9 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge is likely to be a comfortable crossing for most travelers.
This bridge is 29 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 8,567 vehicles cross daily — light traffic, a smooth crossing.
The deck is 63 feet wide with 3-4 lanes — standard 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
1940
86 years old (rebuilt 2000)
Structure Type
Prestressed Concrete Box Beam (Single/Spread)
Total Length
29 ft
8.9 m
Deck Width
63 ft
19.1 m
Spans
1
sections between supports
Max Span
28 ft
longest unsupported section (8.5 m)
Traffic Lanes
3 lanes
Two-way traffic
Daily Traffic
8,567vehicles/day
44.72615°N, 85.18221°W
Prestressed Concrete Box Beam (Single)
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.