What's a bridge's favorite exercise? Cross-fit.
What's a bridge's favorite exercise? Cross-fit.
Did you know? The oldest bridge in the NBI was built in 1697.
over I-5 RAMP
0.7 N JCT US 101
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 13,767 vehicles per day and is 70 years old (reconstructed in 1988).
Its sufficiency rating of 50.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 31 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 283 feet long — a short crossing, about 10-15 seconds.
An arch bridge design with some openness to the surroundings.
About 31 feet above ground — moderate height, similar to a 3-5 story building.
About 13,767 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 71 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
1956
70 years old (rebuilt 1988)
Structure Type
Steel (Continuous) Arch (Deck)
Total Length
283 ft
86.3 m
Deck Width
71 ft
21.5 m
Spans
4
sections between supports
Max Span
184 ft
longest unsupported section (56.1 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
31 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
13,767vehicles/day
47.02551°N, 122.89947°W
Steel (Continuous) Arch (Deck)
A steel arch bridge uses a curved steel structure to carry loads primarily through compression. These bridges are known for their elegant appearance and structural efficiency.
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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.