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T-318 Cty Br #4 over Beaver Run

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

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

T-318 Cty Br #4 over Beaver Run in Montour 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 1924, making it 101 years old at the 2025 inventory.
It carries about 24 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 48 of the 108 inventoried bridges in Montour County rated fair (44.4%); 6 (5.6%) 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

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