Connecting the data points... literally.
Connecting the data points... literally.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over I-376 Parkway East
039 Greenfield Bridge
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 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 11,424 vehicles per day and is 9 years old.
Its sufficiency rating of 73.8 is above the national average of 63.6.
The NBI records a navigation clearance of 61 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 468 feet long — a short crossing, about 10-15 seconds.
An arch bridge design with some openness to the surroundings.
About 61 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 11,424 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 54 feet wide with 3-4 lanes — standard width.
This bridge crosses over land, not water — no water views 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
2017
9 years old
Structure Type
Steel (Continuous) Arch (Deck)
Total Length
468 ft
142.6 m
Deck Width
54 ft
16.4 m
Spans
1
sections between supports
Max Span
326 ft
longest unsupported section (99.4 m)
Traffic Lanes
3 lanes
Two-way traffic
Clearance Below
61 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
11,424vehicles/day
40.42858°N, 79.93788°W
Steel (Continuous) Arch (Deck)
A steel arch bridge uses a curved steel structure to carry loads primarily through compression. These bridges are known for their elegant appearance and structural efficiency.
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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.