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.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over STURGEON BAY
1.0M N JCT STH 42
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 8,300 vehicles per day and is 96 years old (reconstructed in 1979).
Its sufficiency rating of 63.9 is above 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 292 feet long — a short crossing, about 10-15 seconds.
A truss bridge — the steel framework can provide a sense of enclosure.
No height data available — likely a standard overpass height.
About 8,300 vehicles cross daily — light traffic, a smooth crossing.
The deck is 35 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
1930
96 years old (rebuilt 1979)
Structure Type
Steel Truss (Thru)
Total Length
292 ft
88.9 m
Deck Width
35 ft
10.7 m
Spans
2
sections between supports
Max Span
150 ft
longest unsupported section (45.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
8,300vehicles/day
44.83282°N, 87.37943°W
Steel Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.