Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over LITTLE GUNPOWDER FALLS
BALTIMORE-HARFORD CO LINE
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 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 178,830 vehicles per day and is 63 years old (reconstructed in 1971).
Its sufficiency rating of 72.0 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 212 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 178,830 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 152 feet wide with multiple lanes — easy to stay in a center lane.
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
1963
63 years old (rebuilt 1971)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
212 ft
64.6 m
Deck Width
152 ft
46.2 m
Spans
3
sections between supports
Max Span
105 ft
longest unsupported section (32.0 m)
Traffic Lanes
8 lanes
Two-way traffic
Daily Traffic
178,830vehicles/day
39.43571°N, 76.37768°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.