Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
Crunching the numbers on America's infrastructure...
over East Johnson Creek
3 MI S MT. CARROLL
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
This bridge has a Poor overall condition rating of 1 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 25 vehicles per day and is 110 years old.
Its sufficiency rating of 15.7 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 60 feet long — a quick crossing, under 5 seconds at highway speed.
A truss bridge — the steel framework can provide a sense of enclosure.
No height data available — likely a standard overpass height.
Only about 25 vehicles cross daily — very light traffic with low congestion risk.
The deck is 18 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
1916
110 years old
Structure Type
Wood/Timber Truss (Thru)
Total Length
60 ft
18.3 m
Deck Width
18 ft
5.5 m
Spans
1
sections between supports
Max Span
45 ft
longest unsupported section (13.8 m)
Traffic Lanes
1 lane
Daily Traffic
25vehicles/day
42.03607°N, 89.95798°W
Wood/Timber Truss (Thru)
A wood truss bridge uses a timber framework of triangular elements. Many historic covered bridges use this design, which protects the structural wood from weather.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Illinois 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.