Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
over IR471 RAMP EGG CUL
N OF I471 & US50 INT
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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 56,580 vehicles per day and is 88 years old (reconstructed in 1997).
Its sufficiency rating of 58.0 places it below the national average of 63.6.
The NBI records a navigation clearance of 26 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 1659 feet long — a longer crossing, over 1 minute.
A truss bridge — the steel framework can provide a sense of enclosure.
About 26 feet above ground — moderate height, similar to a 3-5 story building.
About 56,580 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 72 feet wide with multiple lanes — easy to stay in a center lane.
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
1938
88 years old (rebuilt 1997)
Structure Type
Steel Truss (Deck)
Total Length
1,659 ft
505.7 m
Deck Width
72 ft
21.9 m
Spans
7
sections between supports
Max Span
170 ft
longest unsupported section (51.8 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
26 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
56,580vehicles/day
39.10318°N, 84.50247°W
Steel Truss (Deck)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.