The average US bridge is 48 years old. That's a lot of birthday candles.
The average US bridge is 48 years old. That's a lot of birthday candles.
A bridge walked into a bar. The bartender said, 'Why the long span?'
over INTRACOASTAL WATERWAY
3 MI N MYRTLE BEACH
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 23,100 vehicles per day and is 10 years old.
Its sufficiency rating of 74.5 is above the national average of 63.6.
The NBI records a navigation clearance of 68 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 3633 feet long — an extended crossing, several minutes.
A standard overpass design with solid barriers on each side.
About 68 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 23,100 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 118 feet wide with multiple lanes — easy to stay in a center lane.
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
2016
10 years old
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
3,633 ft
1107.2 m
Deck Width
118 ft
35.9 m
Spans
3
sections between supports
Max Span
310 ft
longest unsupported section (94.5 m)
Traffic Lanes
6 lanes
Two-way traffic
Clearance Below
68 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
23,100vehicles/day
33.70286°N, 79.01666°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.