Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
Why did the truss bridge break up with the beam bridge? It needed more support.
over TIBA Shop Access Road C
2.5 MI.SW OF ALEX. BAY
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 3,786 vehicles per day and is 88 years old (reconstructed in 2000).
Its sufficiency rating of 60.0 places it below the national average of 63.6.
The NBI records a navigation clearance of 150 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 features that may be difficult for travelers with bridge anxiety. Planning ahead and using the tips below can help.
This bridge is 4500 feet long — an extended crossing, several minutes.
A suspension bridge — an open design, typically high above the waterway.
About 150 feet above ground — a high bridge with significant elevation.
About 3,786 vehicles cross daily — light traffic, a smooth crossing.
The deck is 31 feet wide with 1-2 lanes — a narrower 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
1938
88 years old (rebuilt 2000)
Structure Type
Steel Suspension
Total Length
4,500 ft
1371.6 m
Deck Width
31 ft
9.3 m
Spans
3
sections between supports
Max Span
800 ft
longest unsupported section (243.8 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
150 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
3,786vehicles/day
44.30149°N, 75.98182°W
Steel Suspension
A suspension bridge hangs the deck from cables supported by tall towers. This design enables the longest bridge spans in the world.
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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.