Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Loading 624,191 bridges... give or take a few.
over MISSOURI RIVER
1.0 WEST OF WASHINGTON ST
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 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 13,000 vehicles per day and is 41 years old.
Its sufficiency rating of 63.4 places it below the national average of 63.6.
The NBI records a navigation clearance of 30 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 2510 feet long — a longer crossing, over 1 minute.
A standard overpass design with solid barriers on each side.
About 30 feet above ground — moderate height, similar to a 3-5 story building.
About 13,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 77 feet wide with multiple lanes — easy to stay in a center lane.
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
1985
41 years old
Structure Type
Steel (Continuous) Girder & Floorbeam
Total Length
2,510 ft
765.0 m
Deck Width
77 ft
23.6 m
Spans
11
sections between supports
Max Span
275 ft
longest unsupported section (83.8 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
30 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
13,000vehicles/day
46.79657°N, 100.81965°W
Steel (Continuous) Girder & Floorbeam
A steel girder bridge relies on large steel I-beams or plate girders as the primary load-bearing members. These bridges can span significant distances and carry heavy loads.
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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.