Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
over ROCK CREEK
1.68 MILES EAST OF MD 28
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
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 41,271 vehicles per day and is 72 years old (reconstructed in 1986).
Its sufficiency rating of 71.3 is above 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 104 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 41,271 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 96 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
1954
72 years old (rebuilt 1986)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
104 ft
31.7 m
Deck Width
96 ft
29.4 m
Spans
2
sections between supports
Max Span
48 ft
longest unsupported section (14.6 m)
Traffic Lanes
5 lanes
Two-way traffic
Daily Traffic
41,271vehicles/day
39.07169°N, 77.10924°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.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Maryland 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.