Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Wow, there are a lot of bridges here... one second please.
over ST. MARYS RIVER
FL. - GA. STATE 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 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 4,600 vehicles per day and is 99 years old (reconstructed in 2005).
Its sufficiency rating of 53.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 9 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 563 feet long — a short crossing, about 10-15 seconds.
A movable bridge — it may occasionally stop for boat traffic.
About 9 feet above ground — standard overpass height.
About 4,600 vehicles cross daily — light traffic, a smooth crossing.
The deck is 22 feet wide with 1-2 lanes — a narrower crossing.
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
1927
99 years old (rebuilt 2005)
Structure Type
Steel Movable (Swing)
Total Length
563 ft
171.5 m
Deck Width
22 ft
6.7 m
Spans
2
sections between supports
Max Span
101 ft
longest unsupported section (30.8 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
9 ft
navigation clearance under deck
Daily Traffic
4,600vehicles/day
30.74166°N, 81.68797°W
Steel Movable (Swing)
A movable bridge can change position to allow passage of boats or other traffic. Steel movable bridges include lift, bascule (drawbridge), and swing types.
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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.