Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
Wow, there are a lot of bridges here... one second please.
over SAVANNAH RIVER
GA/SC 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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 20,700 vehicles per day and is 87 years old (reconstructed in 1991).
Its sufficiency rating of 70.7 is above the national average of 63.6.
The NBI records a navigation clearance of 120 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 has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 1507 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 120 feet above ground — a high bridge with significant elevation.
About 20,700 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 63 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
1939
87 years old (rebuilt 1991)
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
1,507 ft
459.3 m
Deck Width
63 ft
19.1 m
Spans
6
sections between supports
Max Span
125 ft
longest unsupported section (38.1 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
120 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
20,700vehicles/day
33.48325°N, 81.97332°W
Steel (Continuous) Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.