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T-647 Hagantown Rd over Trib to Allegheny River

Clarion County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory

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

T-647 Hagantown Rd over Trib to Allegheny River in Clarion County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1920 and reconstructed in 1988, making it 105 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2022).
Its listed owner is a town or township highway agency.
It is one of 12 of the 172 inventoried bridges in Clarion County rated poor (7.0%); 12 (7.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 27 ft
Location	0.5 mi SW int w/ SR 368
NBI structure number	000000000011158
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
SR0080 Eb&wb over Clarion River	1965	24,748	Fair
SR 0080 Eb&wb over Allegheny RIV;SR0268;RR	1966	22,928	Fair
SR0080 Eb&wb over Turkey Run	1966	22,358	Fair
SR0080 Eb&wb over Deer Creek & T-411	1965	19,699	Fair
SR0080 WB over SR1009	1965	12,828	Fair
SR0080 EB over SR1009 & Brush Run	1965	12,152	Fair