Connecting the data points... literally.
Connecting the data points... literally.
The average US bridge is 48 years old. That's a lot of birthday candles.
over CLARK FORK RIVER 034
4M S WARM SPRINGS
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 100 vehicles per day and is 95 years old (reconstructed in 1941).
Its sufficiency rating of 59.2 places it below 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 75 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.
Only about 100 vehicles cross daily — very light traffic with low congestion risk.
The deck is 39 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
1931
95 years old (rebuilt 1941)
Structure Type
Concrete Tee Beam
Total Length
75 ft
22.9 m
Deck Width
39 ft
11.9 m
Spans
2
sections between supports
Max Span
37 ft
longest unsupported section (11.4 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
100vehicles/day
46.12247°N, 112.79933°W
Concrete Tee Beam
A concrete tee beam bridge uses T-shaped cross-section beams where the top flange serves as part of the deck, efficiently using concrete in both compression and tension.
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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.