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.
Analyzing deck conditions, superstructure ratings, and bad puns...
over SIGN CREEK
08-RIV-015-27.50
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 135,000 vehicles per day and is 68 years old (reconstructed in 1980).
Its sufficiency rating of 77.0 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 32 feet long — a quick crossing, under 5 seconds at highway speed.
This is a culvert — you may not even notice you're crossing it.
No height data available — likely a standard overpass height.
About 135,000 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 184 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
1958
68 years old (rebuilt 1980)
Structure Type
Concrete Culvert
Total Length
32 ft
9.8 m
Deck Width
184 ft
56.0 m
Spans
3
sections between supports
Max Span
10 ft
longest unsupported section (3.0 m)
Traffic Lanes
6 lanes
Two-way traffic
Daily Traffic
135,000vehicles/day
33.73349°N, 117.40633°W
Concrete Culvert
A concrete culvert is a drainage structure that allows water to flow beneath a road. While technically not a traditional bridge, culverts over 20 feet are tracked in the national inventory.
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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.