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Decker Street over Bigby Creek

Somerset County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory

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

Decker Street over Bigby Creek in Somerset County, Pennsylvania, 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 1923, making it 102 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 242 of the 455 inventoried bridges in Somerset County rated fair (53.2%); 60 (13.2%) 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 Pennsylvania department of transportation.

Bridge	Built	Vehicles/day	Condition
Pa Tpk (I-76) over Branch Coxes Crk	2004	32,134	Good
Pa Tpk (I-76) over Crab Run	1939	31,991	Fair
Pa Tpk (I-76) over Three Lick Run	1939	31,200	Fair
Pa Tpk (I-76) over T-782	1939	31,200	Fair
Pa Tpk (I-76) over Branch of Coxes Creek	1939	30,880	Fair
Pa Tpk (I-76) over Trib to Coxes Creek	1939	30,880	Fair