Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
Over 5 billion bridge crossings happen every single day in America.
over CAL SAG CHANNEL
0.2M.S.VERMONT ST P4
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 2,600 vehicles per day and is 62 years old (reconstructed in 2016).
Its sufficiency rating of 69.7 is above the national average of 63.6.
The NBI records a navigation clearance of 25 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 371 feet long — a short crossing, about 10-15 seconds.
A truss bridge — the steel framework can provide a sense of enclosure.
About 25 feet above ground — moderate height, similar to a 3-5 story building.
About 2,600 vehicles cross daily — light traffic, a smooth crossing.
The deck is 48 feet wide with 2-3 lanes — moderate width.
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
1964
62 years old (rebuilt 2016)
Structure Type
Steel Truss (Thru)
Total Length
371 ft
113.1 m
Deck Width
48 ft
14.6 m
Spans
1
sections between supports
Max Span
290 ft
longest unsupported section (88.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
25 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
2,600vehicles/day
41.65324°N, 87.67019°W
Steel Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.