Thurston Road over Little Bennett Creek

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

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

• Thurston Road over Little Bennett Creek in Frederick County, Maryland, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
• It was built in 1986, making it 39 years old at the 2025 inventory.
• It carries about 478 vehicles a day (traffic count year 2009).
• Its listed owner is the county highway agency.
• It is one of 196 of the 485 inventoried bridges in Frederick County rated good (40.4%); 14 (2.9%) are rated poor.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (39.28061, -77.35846)

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.