Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
Why was the bridge always tired? Too many crossings.
over I 840-LL / ARNO RD.
4.8 MI SW JCT.SR11&I840
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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 46,364 vehicles per day and is 25 years old.
Its sufficiency rating of 77.8 is above the national average of 63.6.
The NBI records a navigation clearance of 18 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 175 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 18 feet above ground — moderate height, similar to a 3-5 story building.
About 46,364 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 44 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
2001
25 years old
Structure Type
Prestressed Concrete (Continuous) Stringer/Multi-beam/Girder
Total Length
175 ft
53.4 m
Deck Width
44 ft
13.4 m
Spans
3
sections between supports
Max Span
94 ft
longest unsupported section (28.7 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
18 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
46,364vehicles/day
35.82745°N, 86.73907°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.