Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
over MISSOURI RVR CST MAIN S
S 32 T 47 N R 5 E
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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 84,031 vehicles per day and is 68 years old (reconstructed in 2011).
Its sufficiency rating of 65.2 is above the national average of 63.6.
The NBI records a navigation clearance of 53 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 4083 feet long — an extended crossing, several minutes.
A truss bridge — the steel framework can provide a sense of enclosure.
About 53 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 84,031 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 63 feet wide with 3-4 lanes — standard 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
1958
68 years old (rebuilt 2011)
Structure Type
Steel (Continuous) Truss (Thru)
Total Length
4,083 ft
1244.5 m
Deck Width
63 ft
19.1 m
Spans
3
sections between supports
Max Span
480 ft
longest unsupported section (146.3 m)
Traffic Lanes
5 lanes
One-way traffic
Clearance Below
53 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
84,031vehicles/day
38.76486°N, 90.48403°W
Steel (Continuous) Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing 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.