Fetching data from the National Bridge Inventory...
Fetching data from the National Bridge Inventory...
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over CLARK FORK RIVER
1.9M E SUPERIOR
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 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 3,825 vehicles per day and is 60 years old (reconstructed in 2012).
Its sufficiency rating of 59.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 14 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 801 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 14 feet above ground — standard overpass height.
About 3,825 vehicles cross daily — light traffic, a smooth crossing.
The deck is 30 feet wide with 1-2 lanes — a narrower 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
1966
60 years old (rebuilt 2012)
Structure Type
Steel (Continuous) Girder & Floorbeam
Total Length
801 ft
244.1 m
Deck Width
30 ft
9.2 m
Spans
4
sections between supports
Max Span
190 ft
longest unsupported section (57.9 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
14 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
3,825vehicles/day
47.17331°N, 114.86376°W
Steel (Continuous) Girder & Floorbeam
A steel girder bridge relies on large steel I-beams or plate girders as the primary load-bearing members. These bridges can span significant distances and carry heavy 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.