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Twp Rd 644 over North Branch Cherry Run

Armstrong County, Pennsylvania · rated Good in the 2025 National Bridge Inventory

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

Twp Rd 644 over North Branch Cherry Run in Armstrong County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2020, making it 5 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2020).
Its listed owner is a town or township highway agency.
It is one of 91 of the 259 inventoried bridges in Armstrong County rated good (35.1%); 18 (6.9%) 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.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 38 ft
Location	1 Mi South of Pyrra
NBI structure number	000000000067608
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Njtpk(i-95 Pa Ext) over Delaware River & Roads	1956	67,799	Fair
Nj Rt 73 over Delaware River	1929	42,270	Fair
Co Rt 413 over Delaware River	1931	26,315	Fair
SR 1038 over Allegheny River	1931	22,150	Fair
SR0066 Nb&sb over SR0422;SR2025;GARRETTS	1980	19,609	Fair
SR0422 over SR0028 Nb&sb	2001	18,527	Fair