Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Why don't bridges ever get lonely? Because they're always making connections.
over CAL SAG CHANNEL
0.4 M S of 127th St
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 32,900 vehicles per day and is 88 years old (reconstructed in 2012).
Its sufficiency rating of 52.8 places it below the national average of 63.6.
The NBI records a navigation clearance of 24 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 379 feet long — a short crossing, about 10-15 seconds.
A truss bridge — the steel framework can provide a sense of enclosure.
About 24 feet above ground — moderate height, similar to a 3-5 story building.
About 32,900 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 59 feet wide with 3-4 lanes — standard 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
1938
88 years old (rebuilt 2012)
Structure Type
Steel Truss (Thru)
Total Length
379 ft
115.5 m
Deck Width
59 ft
17.9 m
Spans
1
sections between supports
Max Span
270 ft
longest unsupported section (82.3 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
24 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
32,900vehicles/day
41.65583°N, 87.73839°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.