41,685 bridges are in poor condition. But this loading screen isn't one of them.
41,685 bridges are in poor condition. But this loading screen isn't one of them.
Gathering condition ratings from coast to coast...
over TUOLUMNE RIVER
SOUTH TUOLUMNE BLVD
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 16,815 vehicles per day and is 110 years old.
Its sufficiency rating of 40.2 places it below the national average of 63.6.
The NBI records a navigation clearance of 11 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 1170 feet long — a moderate crossing, about 30 seconds.
An arch bridge design with some openness to the surroundings.
About 11 feet above ground — standard overpass height.
About 16,815 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 36 feet wide with 2-3 lanes — moderate 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
1916
110 years old
Structure Type
Concrete (Continuous) Arch (Deck)
Total Length
1,170 ft
356.6 m
Deck Width
36 ft
10.9 m
Spans
14
sections between supports
Max Span
101 ft
longest unsupported section (30.8 m)
Traffic Lanes
2 lanes
Two-way traffic
Clearance Below
11 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
16,815vehicles/day
37.62589°N, 120.99335°W
Concrete (Continuous) Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
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.