Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Wow, there are a lot of bridges here... one second please.
over NORTH BR TWELVE MILE CK
2.3 N & 2 W ETHAN
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 64 vehicles per day and is 81 years old (reconstructed in 1965).
Its sufficiency rating of 52.4 places it below 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 35 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.
Only about 64 vehicles cross daily — very light traffic with low congestion risk.
The deck is 34 feet wide with 2-3 lanes — moderate 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
1945
81 years old (rebuilt 1965)
Structure Type
Concrete Slab
Total Length
35 ft
10.7 m
Deck Width
34 ft
10.5 m
Spans
3
sections between supports
Max Span
10 ft
longest unsupported section (3.0 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
64vehicles/day
43.57757°N, 98.02587°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.