Connecting the data points... literally.
Connecting the data points... literally.
What did one bridge say to the other? 'You're looking a bit stressed.'
over BLUE CREEK
1.1 MILES W OF JCT IA 28
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 113,200 vehicles per day and is 58 years old (reconstructed in 2004).
Its sufficiency rating of 67.8 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 24 feet long — a quick crossing, under 5 seconds at highway speed.
This is a culvert — you may not even notice you're crossing it.
No height data available — likely a standard overpass height.
About 113,200 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 0 feet wide — a very narrow, single-lane crossing.
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
1968
58 years old (rebuilt 2004)
Structure Type
Concrete (Continuous) Culvert
Total Length
24 ft
7.3 m
Spans
2
sections between supports
Max Span
10 ft
longest unsupported section (3.0 m)
Traffic Lanes
8 lanes
Two-way traffic
Daily Traffic
113,200vehicles/day
41.59328°N, 93.72691°W
Concrete (Continuous) 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.