Did you know? The oldest bridge in the NBI was built in 1697.
Did you know? The oldest bridge in the NBI was built in 1697.
Crunching the numbers on America's infrastructure...
over SAN LUIS OBISPO CREEK
0.01 MI SE OF MARSH ST
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 6,976 vehicles per day and is 26 years old.
Its sufficiency rating of 66.1 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge is likely to be a comfortable crossing for most travelers.
This bridge is 55 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 6,976 vehicles cross daily — light traffic, a smooth crossing.
The deck is 55 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
2000
26 years old
Structure Type
Prestressed Concrete Slab
Total Length
55 ft
16.7 m
Deck Width
55 ft
16.8 m
Spans
1
sections between supports
Max Span
51 ft
longest unsupported section (15.4 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
6,976vehicles/day
35.28071°N, 120.65824°W
Prestressed Concrete Slab
A prestressed concrete slab bridge uses a flat concrete deck that has been pretensioned for additional strength. Efficient for short to medium 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.