Loading structural data... this is riveting stuff.
Loading structural data... this is riveting stuff.
What did one bridge say to the other? 'You're looking a bit stressed.'
over St. Vrain River
100 Ft S of 3rd Avenue
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 26,762 vehicles per day and is 66 years old (reconstructed in 2002).
Its sufficiency rating of 66.5 is above 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 101 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.
About 26,762 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 84 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
1960
66 years old (rebuilt 2002)
Structure Type
Prestressed Concrete (Continuous) Box Beam (Single/Spread)
Total Length
101 ft
30.8 m
Deck Width
84 ft
25.7 m
Spans
2
sections between supports
Max Span
48 ft
longest unsupported section (14.6 m)
Traffic Lanes
5 lanes
Two-way traffic
Daily Traffic
26,762vehicles/day
40.16619°N, 105.13097°W
Prestressed Concrete (Continuous) Box Beam (Single)
A prestressed concrete box beam bridge combines hollow box sections with prestressing technology, enabling longer spans with reduced weight and material usage.
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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.