Gathering condition ratings from coast to coast...
Gathering condition ratings from coast to coast...
Why did the truss bridge break up with the beam bridge? It needed more support.
over SAW MILL RIVER
1.6 MI W OF DUNWOODIE
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 2,003 vehicles per day and is 76 years old.
Its sufficiency rating of 59.7 places it below 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 32 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.
About 2,003 vehicles cross daily — light traffic, a smooth crossing.
The deck is 51 feet wide with 3-4 lanes — standard 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
1950
76 years old
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
32 ft
9.8 m
Deck Width
51 ft
15.4 m
Spans
1
sections between supports
Max Span
31 ft
longest unsupported section (9.4 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
2,003vehicles/day
40.93297°N, 73.89638°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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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.