What did one bridge say to the other? 'You're looking a bit stressed.'
What did one bridge say to the other? 'You're looking a bit stressed.'
Wow, there are a lot of bridges here... one second please.
over ANTIETAM CREEK
0.64 M SW OF ALT US RT 40
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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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 1,698 vehicles per day and is 187 years old (reconstructed in 2017).
Its sufficiency rating of 68.8 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 132 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
About 1,698 vehicles cross daily — light traffic, a smooth crossing.
The deck is 19 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
1839
187 years old (rebuilt 2017)
Structure Type
Masonry Arch (Deck)
Total Length
132 ft
40.2 m
Deck Width
19 ft
5.9 m
Spans
3
sections between supports
Max Span
37 ft
longest unsupported section (11.3 m)
Traffic Lanes
1 lane
Daily Traffic
1,698vehicles/day
39.58824°N, 77.70707°W
Masonry Arch (Deck)
A masonry arch bridge uses stone or brick arranged in an arch shape — one of the oldest bridge designs in the world. The arch transfers loads to the abutments through compression.
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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.