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Analyzing deck conditions, superstructure ratings, and bad puns...
over MARINA PL RR RAVINE
1700 W Garfield 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 18,000 vehicles per day and is 97 years old.
Its sufficiency rating of 50.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 22 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 3008 feet long — a longer crossing, over 1 minute.
A truss bridge — the steel framework can provide a sense of enclosure.
About 22 feet above ground — moderate height, similar to a 3-5 story building.
About 18,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 51 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
1929
97 years old
Structure Type
Concrete (Continuous) Truss (Deck)
Total Length
3,008 ft
916.8 m
Deck Width
51 ft
15.4 m
Spans
15
sections between supports
Max Span
87 ft
longest unsupported section (26.5 m)
Traffic Lanes
3 lanes
Two-way traffic
Clearance Below
22 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
18,000vehicles/day
47.63349°N, 122.38609°W
Concrete (Continuous) Truss (Deck)
A concrete slab bridge is a simple, solid concrete deck that acts as both the structural support and driving surface. Common for short spans, they are durable and low-maintenance.
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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.