Connecting the data points... literally.
Connecting the data points... literally.
Why do engineers love bridges? They're outstanding in their field.
over SR 1001 N.S. & A.V. RR
Allegheny River
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 17,862 vehicles per day and is 16 years old.
Its sufficiency rating of 75.0 is above the national average of 63.6.
The NBI records a navigation clearance of 88 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 2350 feet long — a longer crossing, over 1 minute.
A standard bridge design.
About 88 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 17,862 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 61 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
2010
16 years old
Structure Type
Concrete (Continuous) Segmental Box Girder
Total Length
2,350 ft
716.3 m
Deck Width
61 ft
18.7 m
Spans
6
sections between supports
Max Span
532 ft
longest unsupported section (162.2 m)
Traffic Lanes
3 lanes
One-way traffic
Clearance Below
88 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
17,862vehicles/day
40.53833°N, 79.82167°W
Concrete (Continuous) Segmental Box Girder
A concrete box beam bridge uses hollow rectangular concrete sections. The box shape provides excellent torsional resistance and allows for longer spans.
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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.