Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
The average US bridge is 48 years old. That's a lot of birthday candles.
over A660 CHESTNUT ST
.1 M E OF I24/US27 JCT
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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 105,057 vehicles per day and is 4 years old.
Its sufficiency rating of 73.7 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 153 feet long — a quick crossing, under 5 seconds at highway speed.
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 105,057 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 60 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
2022
4 years old
Structure Type
Prestressed Concrete (Continuous) Stringer/Multi-beam/Girder
Total Length
153 ft
46.7 m
Deck Width
60 ft
18.3 m
Spans
3
sections between supports
Max Span
82 ft
longest unsupported section (25.1 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
105,057vehicles/day
35.03119°N, 85.31770°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.