The average US bridge is 48 years old. That's a lot of birthday candles.
The average US bridge is 48 years old. That's a lot of birthday candles.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
over SPOKANE RIVER LOCAL RDS
1.65 N OF I-90
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 17,869 vehicles per day and is 71 years old (reconstructed in 2013).
Its sufficiency rating of 52.6 places it below 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 434 feet long — a short crossing, about 10-15 seconds.
An arch bridge design with some openness to the surroundings.
About 14 feet above ground — standard overpass height.
About 17,869 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 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
1955
71 years old (rebuilt 2013)
Structure Type
Concrete Arch (Deck)
Total Length
434 ft
132.3 m
Deck Width
71 ft
21.5 m
Spans
3
sections between supports
Max Span
133 ft
longest unsupported section (40.5 m)
Traffic Lanes
4 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
17,869vehicles/day
47.67834°N, 117.36373°W
Concrete Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
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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.