Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
Fun fact: The average American crosses 4 bridges a day without even noticing.
over KUAPA PD-HI KAI MARINER
0.25MI NW/PORTLOCK RD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 35,500 vehicles per day and is 57 years old.
Its sufficiency rating of 66.8 is above the national average of 63.6.
The NBI records a navigation clearance of 12 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 250 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 12 feet above ground — standard overpass height.
About 35,500 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 54 feet wide with 3-4 lanes — standard width.
This bridge crosses over water. Focus on the road ahead — the water is far 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
1969
57 years old
Structure Type
Prestressed Concrete Slab
Total Length
250 ft
76.2 m
Deck Width
54 ft
16.6 m
Spans
6
sections between supports
Max Span
50 ft
longest unsupported section (15.2 m)
Traffic Lanes
3 lanes
Two-way traffic
Clearance Below
12 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
35,500vehicles/day
21.28135°N, 157.71154°W
Prestressed Concrete Slab
A prestressed concrete slab bridge uses a flat concrete deck that has been pretensioned for additional strength. Efficient for short to medium 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.