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SR 4001 over Co Li Br Chillisquaque C

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

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

SR 4001 over Co Li Br Chillisquaque C in Montour 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 7 (good condition) on the 0-9 scale.
It was built in 1997, making it 28 years old at the 2025 inventory.
It carries about 536 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 54 of the 108 inventoried bridges in Montour County rated good (50.0%); 6 (5.6%) 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 41 ft
Location	Village of Comly
NBI structure number	000000000039587
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-80 Ebl over over S.R. 3013	1962	14,014	Fair
I-80 Ebl over over Chillisquaque Creek	1962	14,014	Good
I-80 EB over over SR 3003	1963	14,014	Fair
I-80 EB over over Branch Beaver Run	1962	14,014	Good
I-80 EB over Trib Mauses CR & SR 3007	1963	14,014	Fair
I-80 WB over over S.R. 3013	1962	13,626	Good