Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
What do you call a bridge that tells jokes? A pun-toon bridge.
over I-355 FINLEY & I-88
1.3 M.E. OF IL-53
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 17,250 vehicles per day and is 37 years old.
Its sufficiency rating of 62.9 places it below the national average of 63.6.
The NBI records a navigation clearance of 16 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 1964 feet long — a longer crossing, over 1 minute.
A standard bridge design.
About 16 feet above ground — standard overpass height.
About 17,250 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 37 feet wide with 2-3 lanes — moderate 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
1989
37 years old
Structure Type
Prestressed Concrete Segmental Box Girder
Total Length
1,964 ft
598.6 m
Deck Width
37 ft
11.3 m
Spans
12
sections between supports
Max Span
164 ft
longest unsupported section (49.9 m)
Traffic Lanes
1 lane
One-way traffic
Clearance Below
16 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
17,250vehicles/day
41.82726°N, 88.02891°W
Prestressed Concrete Segmental Box Girder
A prestressed concrete box beam bridge combines hollow box sections with prestressing technology, enabling longer spans with reduced weight and material usage.
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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.