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Gathering condition ratings from coast to coast...
over ISLAND RD & MUMPOWER CK
1.96 R 11 &3.58 TENN LINE
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Fair overall condition rating of 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 22,477 vehicles per day and is 65 years old (reconstructed in 2001).
Its sufficiency rating of 67.9 is above the national average of 63.6.
The NBI records a navigation clearance of 35 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 252 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 35 feet above ground — moderate height, similar to a 3-5 story building.
About 22,477 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 62 feet wide with 3-4 lanes — standard 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
1961
65 years old (rebuilt 2001)
Structure Type
Prestressed Concrete Box Beam (Multiple)
Total Length
252 ft
76.8 m
Deck Width
62 ft
18.8 m
Spans
5
sections between supports
Max Span
56 ft
longest unsupported section (17.1 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
35 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
22,477vehicles/day
36.62141°N, 82.18937°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.