Over 5 billion bridge crossings happen every single day in America.
Over 5 billion bridge crossings happen every single day in America.
Analyzing deck conditions, superstructure ratings, and bad puns...
over TRIBUTARY TO KILL CREEK
6.0S 4.0E OF ALTON
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 60 vehicles per day and is 63 years old.
Its sufficiency rating of 56.8 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 42 feet long — a quick crossing, under 5 seconds at highway speed.
This is a culvert — you may not even notice you're crossing it.
No height data available — likely a standard overpass height.
Only about 60 vehicles cross daily — very light traffic with low congestion risk.
The deck is 32 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
1963
63 years old
Structure Type
Concrete Culvert
Total Length
42 ft
12.8 m
Deck Width
32 ft
9.8 m
Spans
4
sections between supports
Max Span
10 ft
longest unsupported section (3.0 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
60vehicles/day
39.37950°N, 98.87427°W
Concrete Culvert
A concrete culvert is a drainage structure that allows water to flow beneath a road. While technically not a traditional bridge, culverts over 20 feet are tracked in the national inventory.
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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.