Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
What did one bridge say to the other? 'You're looking a bit stressed.'
over NINTH AVENUE
11-SD-015-R30.09-ESD
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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 99,500 vehicles per day and is 49 years old (reconstructed in 2012).
Its sufficiency rating of 76.1 is above the national average of 63.6.
The NBI records a navigation clearance of 14 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 197 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 14 feet above ground — standard overpass height.
About 99,500 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 206 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over land, not water — no water views 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
1977
49 years old (rebuilt 2012)
Structure Type
Prestressed Concrete Box Beam (Multiple)
Total Length
197 ft
60.0 m
Deck Width
206 ft
62.7 m
Spans
1
sections between supports
Max Span
196 ft
longest unsupported section (59.7 m)
Traffic Lanes
14 lanes
One-way traffic
Clearance Below
14 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
99,500vehicles/day
33.10822°N, 117.09449°W
Prestressed Concrete Box Beam (Multiple)
A prestressed concrete box beam bridge combines hollow box sections with prestressing technology, enabling longer spans with reduced weight and material usage.
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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.