Md 147 over Br of Long Green Creek

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

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

• Md 147 over Br of Long Green Creek in Baltimore County, Maryland, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1916, making it 109 years old at the 2025 inventory.
• It carries about 5,752 vehicles a day (traffic count year 2009).
• Its listed owner is the state highway agency.
• It is one of 528 of the 786 inventoried bridges in Baltimore County rated fair (67.2%); 22 (2.8%) 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.

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Component ratings

Bridge details

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

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.