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.
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over Colorado River
22 mi south of Blythe CA
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 30 vehicles per day and is 57 years old (reconstructed in 2011).
Its sufficiency rating of 66.9 is above the national average of 63.6.
The NBI records a navigation clearance of 1 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 557 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 1 feet above ground — standard overpass height.
Only about 30 vehicles cross daily — very light traffic with low congestion risk.
The deck is 23 feet wide with 1-2 lanes — a narrower crossing.
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
1969
57 years old (rebuilt 2011)
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
557 ft
169.8 m
Deck Width
23 ft
7.0 m
Spans
8
sections between supports
Max Span
70 ft
longest unsupported section (21.3 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
1 ft
navigation clearance under deck
Daily Traffic
30vehicles/day
33.30324°N, 114.67799°W
Prestressed Concrete Stringer/Multi-beam/Girder
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter spans.
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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.