The Brooklyn Bridge was sold to gullible tourists so many times it became a saying.
The Brooklyn Bridge was sold to gullible tourists so many times it became a saying.
Loading structural data... this is riveting stuff.
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
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 2,202 vehicles per day and is 71 years old.
Its sufficiency rating of 57.5 places it below the national average of 63.6.
The NBI records a navigation clearance of 29 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 162 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 29 feet above ground — moderate height, similar to a 3-5 story building.
About 2,202 vehicles cross daily — light traffic, a smooth crossing.
The deck is 28 feet wide with 1-2 lanes — a narrower crossing.
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
1955
71 years old
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
162 ft
49.5 m
Deck Width
28 ft
8.5 m
Spans
3
sections between supports
Max Span
67 ft
longest unsupported section (20.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
29 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
2,202vehicles/day
45.99924°N, 112.56098°W
Steel (Continuous) Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Montana to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
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.