Connecting the data points... literally.
Connecting the data points... literally.
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over ST. LOUIS CANAL
0.3 WEST OF LA 660
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 10,255 vehicles per day and is 31 years old.
Its sufficiency rating of 59.7 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 29 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 10,255 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 110 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
1995
31 years old
Structure Type
Steel Culvert
Total Length
29 ft
8.8 m
Deck Width
110 ft
33.5 m
Spans
3
sections between supports
Max Span
8 ft
longest unsupported section (2.4 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
10,255vehicles/day
29.64736°N, 90.73133°W
Steel Culvert
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.