Connecting the data points... literally.
Connecting the data points... literally.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over Whiteday Crk & CR 73/01_
3.28 MI SOUTH CO RT 77
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 15,800 vehicles per day and is 57 years old.
Its sufficiency rating of 52.8 places it below the national average of 63.6.
The NBI records a navigation clearance of 87 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 497 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 87 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 15,800 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 37 feet wide with 2-3 lanes — moderate 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
1969
57 years old
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
497 ft
151.6 m
Deck Width
37 ft
11.2 m
Spans
1
sections between supports
Max Span
128 ft
longest unsupported section (39.0 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
87 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
15,800vehicles/day
39.51991°N, 80.04170°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.