Loading 624,191 bridges... give or take a few.
Loading 624,191 bridges... give or take a few.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over MONOCACY RIVER
4.3 M E KEYSVILLE ROAD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 4 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 268 vehicles per day and is 115 years old (reconstructed in 1988).
Its sufficiency rating of 44.0 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 229 feet long — a short crossing, about 10-15 seconds.
A truss bridge — the steel framework can provide a sense of enclosure.
No height data available — likely a standard overpass height.
Only about 268 vehicles cross daily — very light traffic with low congestion risk.
The deck is 16 feet wide — a very narrow, single-lane 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
1911
115 years old (rebuilt 1988)
Structure Type
Steel Truss (Thru)
Total Length
229 ft
69.8 m
Deck Width
16 ft
4.9 m
Spans
2
sections between supports
Max Span
114 ft
longest unsupported section (34.7 m)
Traffic Lanes
1 lane
Daily Traffic
268vehicles/day
39.62357°N, 77.29964°W
Steel Truss (Thru)
A steel truss bridge uses a framework of interconnected triangular elements. The geometric rigidity of triangles makes this design extremely efficient at distributing loads.
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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.