Loading structural data... this is riveting stuff.
Loading structural data... this is riveting stuff.
If I had a dime for every bridge I've crossed, I'd have about ten bucks by now.
over ASHLEY RIV & WAPPOO CRK
IN CHARLESTON
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
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 61,400 vehicles per day and is 33 years old.
Its sufficiency rating of 66.4 is above the national average of 63.6.
The NBI records a navigation clearance of 65 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 11297 feet long — an extended crossing, several minutes.
A standard overpass design with solid barriers on each side.
About 65 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 61,400 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 85 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
1993
33 years old
Structure Type
Prestressed Concrete (Continuous) Box Beam (Single/Spread)
Total Length
2.14 mi
3443.3 m
Deck Width
85 ft
26.0 m
Spans
74
sections between supports
Max Span
157 ft
longest unsupported section (47.9 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
65 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
61,400vehicles/day
32.77930°N, 79.95714°W
Prestressed Concrete (Continuous) Box Beam (Single)
A prestressed concrete box beam bridge combines hollow box sections with prestressing technology, enabling longer spans with reduced weight and material usage.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track South Carolina to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
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.