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T-309 BR#1 over Muncy Creek

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

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

T-309 BR#1 over Muncy Creek in Sullivan County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1976, making it 49 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 56 of the 118 inventoried bridges in Sullivan County rated fair (47.5%); 10 (8.5%) 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 81 ft
Location	0.1 Mi. S of Sonestown
NBI structure number	000000000032094
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SR 220 over over Muncy Creek	1975	3,494	Fair
US 220 over Little Loyalsock Creek	2014	3,218	Good
Pa 87 over Little Loyalsock Creek	1967	2,720	Fair
S.R. 220 over Mill Creek	1929	2,685	Fair
S.R. 220 over over Loyalsock Creek	1984	2,685	Fair
SR 220 over over Marsh Creek	1925	2,670	Fair