Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
Connecting the data points... literally.
over GRAND CAILLOU BAYOU
0.05 Mi W of La 57
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 2,395 vehicles per day and is 66 years old.
Its sufficiency rating of 32.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 5 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 may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 158 feet long — a quick crossing, under 5 seconds at highway speed.
A movable bridge — it may occasionally stop for boat traffic.
About 5 feet above ground — standard overpass height.
About 2,395 vehicles cross daily — light traffic, a smooth crossing.
The deck is 16 feet wide — a very narrow, single-lane crossing.
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
Structure Type
Steel Movable (Swing)
Total Length
158 ft
48.2 m
Deck Width
16 ft
4.9 m
Spans
1
sections between supports
Max Span
64 ft
longest unsupported section (19.5 m)
Traffic Lanes
1 lane
Clearance Below
5 ft
navigation clearance under deck
Daily Traffic
2,395vehicles/day
29.47258°N, 90.70224°W
Steel Movable (Swing)
A movable bridge can change position to allow passage of boats or other traffic. Steel movable bridges include lift, bascule (drawbridge), and swing types.
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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.