A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
Connecting the data points... literally.
over N BR MANISTEE RIVER
1.3 MI E OF SIGMA ROAD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
This bridge has a Good overall condition rating of 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 100 vehicles per day and is 14 years old.
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 60 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.
Only about 100 vehicles cross daily — very light traffic with low congestion risk.
The deck is 32 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
2012
14 years old
Structure Type
Wood/Timber Slab
Total Length
60 ft
18.3 m
Deck Width
32 ft
9.8 m
Spans
3
sections between supports
Max Span
30 ft
longest unsupported section (9.1 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
100vehicles/day
44.64090°N, 85.02709°W
Wood/Timber Slab
A timber stringer bridge uses wooden beams as the primary structure. While less common today, timber bridges remain practical for low-traffic rural roads and historic settings.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Michigan 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.