Simpsons Mill Road over Little Pipe Creek

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

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

• Simpsons Mill Road over Little Pipe Creek in Frederick 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 5 (fair condition) on the 0-9 scale.
• It was built in 1890 and reconstructed in 1998, making it 135 years old at the 2025 inventory.
• It carries about 200 vehicles a day (traffic count year 2023).
• Its listed owner is the county highway agency.
• It is one of 275 of the 485 inventoried bridges in Frederick County rated fair (56.7%); 14 (2.9%) are rated poor.
• Its traffic status in the 2025 inventory is posted for load (NBI item 41).
• Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 6 to 5.
• Its most recent inspection on record is dated October 2024, on a 12-month routine inspection cycle.
• It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
• 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.

View this bridge on a map → (39.58311, -77.22611)

Component ratings

Bridge details

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

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