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Hahn Road over Pittsburgh Industrial RR

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

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

Hahn Road over Pittsburgh Industrial RR in Washington 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 5 (fair condition) on the 0-9 scale.
It was built in 1980, making it 45 years old at the 2025 inventory.
It carries about 200 vehicles a day (traffic count year 2008).
Its listed owner is a town or township highway agency.
It is one of 321 of the 655 inventoried bridges in Washington County rated fair (49.0%); 76 (11.6%) 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	Prestressed concrete multiple box beam
Length	about 96 ft
Location	NE of Canonsburg
NBI structure number	000000000039903
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SR 0070 over 0088 0906 2 R/R Mon	1951	58,141	Fair
SR 0070 over Catfish Creek	1960	49,280	Fair
SR 0070 over Chartiers Creek	1960	46,613	Fair
SR 0070 EB & WB over 8011(under) 8011 (over)	2015	40,868	Good
SR 0070 over Chartiers Creek	1957	32,380	Good
SR 0070 over North Br. Pigeon Creek	1956	31,684	Fair