Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
Loading structural data... this is riveting stuff.
over CST W 20TH ST CST AVE
S 7 T 49 N R 34 W
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 147,773 vehicles per day and is 80 years old (reconstructed in 2013).
Its sufficiency rating of 58.1 places it below the national average of 63.6.
The NBI records a navigation clearance of 14 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 2952 feet long — a longer crossing, over 1 minute.
A standard overpass design with solid barriers on each side.
About 14 feet above ground — standard overpass height.
About 147,773 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 114 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
1946
80 years old (rebuilt 2013)
Structure Type
Steel (Continuous) Girder & Floorbeam
Total Length
2,952 ft
899.8 m
Deck Width
114 ft
34.7 m
Spans
9
sections between supports
Max Span
192 ft
longest unsupported section (58.5 m)
Traffic Lanes
8 lanes
Two-way traffic
Clearance Below
14 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
147,773vehicles/day
39.08595°N, 94.59236°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.