Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
A bridge walked into a bar. The bartender said, 'Why the long span?'
over BIG HOLE RIVER 009
3M W DIVIDE
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 100 vehicles per day and is 112 years old (reconstructed in 2015).
Its sufficiency rating of 30.5 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 232 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.
Only about 100 vehicles cross daily — very light traffic with low congestion risk.
The deck is 16 feet wide — a very narrow, single-lane crossing.
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
1914
112 years old (rebuilt 2015)
Structure Type
Steel Truss (Thru)
Total Length
232 ft
70.7 m
Deck Width
16 ft
4.8 m
Spans
1
sections between supports
Max Span
155 ft
longest unsupported section (47.2 m)
Traffic Lanes
1 lane
Daily Traffic
100vehicles/day
45.75972°N, 112.80165°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.