What did one bridge say to the other? 'You're looking a bit stressed.'
What did one bridge say to the other? 'You're looking a bit stressed.'
Why do engineers love bridges? They're outstanding in their field.
over I 17 - NB FR- M3 Ramp
Jct I 10 and I 17
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 35,733 vehicles per day and is 36 years old.
Its sufficiency rating of 58.9 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 2372 feet long — a longer crossing, over 1 minute.
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 35,733 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 39 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
1990
36 years old
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
2,372 ft
723.0 m
Deck Width
39 ft
11.9 m
Spans
14
sections between supports
Max Span
219 ft
longest unsupported section (66.8 m)
Traffic Lanes
2 lanes
One-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
35,733vehicles/day
33.46210°N, 112.10880°W
Steel (Continuous) 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.