Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Connecting the data points... literally.
over I-90 EB/WB
08.40 W US 31
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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 626 vehicles per day and is 70 years old (reconstructed in 2018).
Its sufficiency rating of 68.8 is above 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 276 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 16 feet above ground — moderate height, similar to a 3-5 story building.
Only about 626 vehicles cross daily — very light traffic with low congestion risk.
The deck is 40 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
1956
70 years old (rebuilt 2018)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
276 ft
84.1 m
Deck Width
40 ft
12.1 m
Spans
4
sections between supports
Max Span
87 ft
longest unsupported section (26.4 m)
Traffic Lanes
2 lanes
Two-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
626vehicles/day
41.75392°N, 86.44843°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.