Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over LITTLE THORNAPPLE RIVER
CARLTON TWP SEC 23
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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 557 vehicles per day and is 6 years old.
Its sufficiency rating of 66.9 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 39 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 557 vehicles cross daily — very light traffic with low congestion risk.
The deck is 34 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
2020
6 years old
Structure Type
Wood/Timber Slab
Total Length
39 ft
11.9 m
Deck Width
34 ft
10.4 m
Spans
1
sections between supports
Max Span
38 ft
longest unsupported section (11.6 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
557vehicles/day
42.72149°N, 85.21496°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.
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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.