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Gathering condition ratings from coast to coast...
over Four Mile run
.1 M N of E Columbia Rd
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This bridge has a Good overall condition rating of 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 1,120 vehicles per day and is 8 years old.
Its sufficiency rating of 75.9 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge is likely to be a comfortable crossing for most travelers.
This bridge is 36 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 1,120 vehicles cross daily — light traffic, a smooth crossing.
The deck is 374 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
2018
8 years old
Structure Type
Concrete Slab
Total Length
36 ft
11.0 m
Deck Width
374 ft
114.0 m
Spans
1
sections between supports
Max Span
33 ft
longest unsupported section (10.1 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
1,120vehicles/day
38.88270°N, 77.15916°W
Concrete Slab
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.