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Md 200 (icc) WB over North Branch Rock Creek

Montgomery County, Maryland · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Md 200 (icc) WB over North Branch Rock Creek in Montgomery County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2010, making it 15 years old at the 2025 inventory.
It carries about 30,827 vehicles a day (traffic count year 2019).
It is one of 292 of the 522 inventoried bridges in Montgomery County rated fair (55.9%); 25 (4.8%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 291 ft
Location	1.51 Mi W of Md 97
NBI structure number	300000M-V067014
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.

Bridge	Built	Vehicles/day	Condition
Is 270 over Old Farm Creek	1958	265,320	Fair
Is 270 over Tuckerman Lane	1958	265,320	Fair
Is 495 over Stoney Brook Dr Rock CR	1964	242,821	Fair
Is 495 over Md 650	1963	242,500	Fair
Is 270 & Cd Rds over Watts Branch	1955	239,460	Fair
Is 495 over Md 185	1964	239,310	Fair