Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
Over 5 billion bridge crossings happen every single day in America.
over TENNESSEE SOUTHERN RR
1.6 M. SW. IRON CITY.
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This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 56 vehicles per day and is 84 years old.
Its sufficiency rating of 46.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 28 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 64 feet long — a quick crossing, under 5 seconds at highway speed.
A truss bridge — the steel framework can provide a sense of enclosure.
About 28 feet above ground — moderate height, similar to a 3-5 story building.
Only about 56 vehicles cross daily — very light traffic with low congestion risk.
The deck is 19 feet wide with 1-2 lanes — a narrower crossing.
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
1942
84 years old
Structure Type
Wood/Timber Truss (Thru)
Total Length
64 ft
19.5 m
Deck Width
19 ft
5.8 m
Spans
1
sections between supports
Max Span
43 ft
longest unsupported section (13.1 m)
Traffic Lanes
2 lanes
Clearance Below
28 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
56vehicles/day
35.00440°N, 87.60712°W
Wood/Timber Truss (Thru)
A wood truss bridge uses a timber framework of triangular elements. Many historic covered bridges use this design, which protects the structural wood from weather.
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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.