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Analyzing deck conditions, superstructure ratings, and bad puns...
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This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 8,600 vehicles per day and is 40 years old.
Its sufficiency rating of 61.8 places it below the national average of 63.6.
The NBI records a navigation clearance of 60 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 has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 4508 feet long — an extended crossing, several minutes.
A cable-stayed bridge with an open design and panoramic views.
About 60 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 8,600 vehicles cross daily — light traffic, a smooth crossing.
The deck is 47 feet wide with 2-3 lanes — moderate 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
1986
40 years old
Structure Type
Steel (Continuous) Cable-Stayed
Total Length
4,508 ft
1374.1 m
Deck Width
47 ft
14.2 m
Spans
3
sections between supports
Max Span
900 ft
longest unsupported section (274.3 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
60 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
8,600vehicles/day
39.93583°N, 91.41203°W
Steel (Continuous) Cable-Stayed
A cable-stayed bridge supports the deck with cables running directly from towers. These bridges combine dramatic aesthetics with engineering efficiency.
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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.