A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
Gathering condition ratings from coast to coast...
over HARVEY CANAL/STS/RR
1.4 MI WEST OF LA 23
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 101,282 vehicles per day and is 39 years old.
Its sufficiency rating of 56.4 places it below the national average of 63.6.
The NBI records a navigation clearance of 95 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 29032 feet long — an extended crossing, several minutes.
A standard overpass design with solid barriers on each side.
About 95 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 101,282 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 55 feet wide with 3-4 lanes — standard width.
This bridge crosses over land, not water — no water views 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
1987
39 years old
Structure Type
Steel (Continuous) Box Beam (Multiple)
Total Length
5.50 mi
8849.0 m
Deck Width
55 ft
16.7 m
Spans
5
sections between supports
Max Span
375 ft
longest unsupported section (114.3 m)
Traffic Lanes
3 lanes
One-way traffic
Clearance Below
95 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
101,282vehicles/day
29.89368°N, 90.11686°W
Steel (Continuous) Box Beam (Multiple)
A steel box beam bridge uses hollow rectangular steel sections that provide excellent torsional resistance and allow for longer spans.
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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.