Loading structural data... this is riveting stuff.
Loading structural data... this is riveting stuff.
Crunching the numbers on America's infrastructure...
over STONEFIELD ARCH
0.1 MI N FNTAINGROVE PKWY
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 500 vehicles per day and is 37 years old.
Its sufficiency rating of 57.6 places it below 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 39 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
Only about 500 vehicles cross daily — very light traffic with low congestion risk.
The deck is 57 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
1989
37 years old
Structure Type
Other Arch (Deck)
Total Length
39 ft
11.9 m
Deck Width
57 ft
17.4 m
Spans
1
sections between supports
Max Span
39 ft
longest unsupported section (11.9 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
500vehicles/day
38.48020°N, 122.72052°W
Other Arch (Deck)
A culvert is a structure that channels water or provides passage beneath a roadway. Despite their utilitarian purpose, culverts make up a significant portion of the bridge inventory.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track California 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.