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SR 4001 over Ptc B-459 Mp 103.47

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

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

SR 4001 over Ptc B-459 Mp 103.47 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 superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2012, making it 13 years old at the 2025 inventory.
It carries about 536 vehicles a day (traffic count year 2024).
Its listed owner is the state 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


Structure	Continuous steel stringer or multi-beam girder
Length	about 136 ft
Location	East of Laurel Summit
NBI structure number	000000000048526
Condition class	Fair

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