Norman Balm Entran over Abandoned RR

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

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

• Norman Balm Entran over Abandoned RR 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 1920 and reconstructed in 1987, making it 105 years old at the 2025 inventory.
• It carries about 5 vehicles a day (traffic count year 2014).
• It is one of 275 of the 485 inventoried bridges in Frederick County rated fair (56.7%); 14 (2.9%) 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.

View this bridge on a map → (39.4408, -77.40215)

Component ratings

Bridge details

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

Busiest bridges in Frederick County

All bridges nearby: Frederick County, MD bridge conditions · every bridge in Frederick County · Maryland bridges.

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