Home › Maryland › Harford County › US 40 over Swan Creek

US 40 over Swan Creek

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

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

US 40 over Swan Creek in Harford 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 5 (fair condition) on the 0-9 scale.
It was built in 1935, making it 90 years old at the 2025 inventory.
It carries about 27,800 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
It is one of 157 of the 276 inventoried bridges in Harford County rated fair (56.9%); 12 (4.3%) 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

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

Bridge	Built	Vehicles/day	Condition
I-95 over Winters Run Rd Winters R	1963	161,591	Fair
I-95 over James Run	1963	130,492	Fair
I-95 over Grays Run	1963	116,162	Good
I-95 over Carsins Run	1963	100,386	Good
I-95 over Swan Creek	1963	100,386	Fair
I-95 over Md 462	1963	95,675	Fair