Bridges: the original social network. Connecting communities since 850 BC.
Bridges: the original social network. Connecting communities since 850 BC.
Fetching data from the National Bridge Inventory...
over DRY CREEK
Ken Pratt Blvd-Longmont
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 22,000 vehicles per day and is 79 years old (reconstructed in 1970).
Its sufficiency rating of 55.6 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 21 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 22,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 345 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
1947
79 years old (rebuilt 1970)
Structure Type
Concrete Culvert
Total Length
21 ft
6.4 m
Deck Width
345 ft
105.2 m
Spans
2
sections between supports
Max Span
10 ft
longest unsupported section (3.0 m)
Traffic Lanes
12 lanes
Two-way traffic
Daily Traffic
22,000vehicles/day
40.15224°N, 105.10343°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.