Connecting the data points... literally.
Connecting the data points... literally.
Did you know? The oldest bridge in the NBI was built in 1697.
over HOOVER ROAD
0.5 MI E DUGAN ROAD
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 43,200 vehicles per day and is 30 years old (reconstructed in 2018).
Its sufficiency rating of 73.0 is above the national average of 63.6.
The NBI records a navigation clearance of 15 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 is likely to be a comfortable crossing for most travelers.
This bridge is 40 feet long — a quick crossing, under 5 seconds at highway speed.
This is a culvert — you may not even notice you're crossing it.
About 15 feet above ground — standard overpass height.
About 43,200 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 160 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
1996
30 years old (rebuilt 2018)
Structure Type
Concrete Culvert
Total Length
40 ft
12.3 m
Deck Width
160 ft
48.8 m
Spans
1
sections between supports
Max Span
40 ft
longest unsupported section (12.2 m)
Traffic Lanes
8 lanes
Two-way traffic
Clearance Below
15 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
43,200vehicles/day
37.67306°N, 97.40750°W
Concrete Culvert
A concrete culvert is a drainage structure that allows water to flow beneath a road. While technically not a traditional bridge, culverts over 20 feet are tracked in the national inventory.
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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.