Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
If I had a dime for every bridge I've crossed, I'd have about ten bucks by now.
over CALAVERAS CREEK
1.5 MI E OF US 277
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 18,394 vehicles per day and is 91 years old (reconstructed in 1981).
Its sufficiency rating of 62.7 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 41 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.
About 18,394 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 124 feet wide with multiple lanes — easy to stay in a center lane.
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
1935
91 years old (rebuilt 1981)
Structure Type
Concrete Culvert
Total Length
41 ft
12.5 m
Deck Width
124 ft
37.9 m
Spans
6
sections between supports
Max Span
6 ft
longest unsupported section (1.8 m)
Traffic Lanes
4 lanes
Two-way traffic
Daily Traffic
18,394vehicles/day
29.37017°N, 100.86230°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.