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Gathering condition ratings from coast to coast...
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over GRAND TRUNK & WESTERN RR
00.10 S HARRISON BLVD
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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 11,050 vehicles per day and is 116 years old (reconstructed in 1992).
Its sufficiency rating of 63.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 22 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 119 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 22 feet above ground — moderate height, similar to a 3-5 story building.
About 11,050 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 53 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
1910
116 years old (rebuilt 1992)
Structure Type
Concrete (Continuous) Slab
Total Length
119 ft
36.2 m
Deck Width
53 ft
16.2 m
Spans
7
sections between supports
Max Span
19 ft
longest unsupported section (5.7 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
22 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
11,050vehicles/day
41.47815°N, 87.06590°W
Concrete (Continuous) Slab
A concrete slab bridge is a simple, solid concrete deck that acts as both the structural support and driving surface. Common for short spans, they are durable and low-maintenance.
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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.