Why was the bridge always tired? Too many crossings.
Why was the bridge always tired? Too many crossings.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over DES PLAINES RIVER
0.6 M N OF ILL 171
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 32,400 vehicles per day and is 92 years old (reconstructed in 1997).
Its sufficiency rating of 67.2 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 508 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 32,400 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 60 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
1934
92 years old (rebuilt 1997)
Structure Type
Prestressed Concrete (Continuous) Stringer/Multi-beam/Girder
Total Length
508 ft
154.9 m
Deck Width
60 ft
18.2 m
Spans
8
sections between supports
Max Span
63 ft
longest unsupported section (19.2 m)
Traffic Lanes
4 lanes
Two-way traffic
Daily Traffic
32,400vehicles/day
41.70463°N, 87.94196°W
Prestressed Concrete (Continuous) Stringer/Multi-beam/Girder
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter 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.