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T-839 Mill Creek R over Little Conewago Creek

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

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

T-839 Mill Creek R over Little Conewago Creek in York 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 2017, making it 8 years old at the 2025 inventory.
It carries about 1,530 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 184 of the 566 inventoried bridges in York County rated good (32.5%); 61 (10.8%) 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 89 ft
Location	4 Miles NE of Dover
NBI structure number	000000000054760
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-83; SR 0083 over Pa Turnpike Ramp E	1950	68,340	Fair
I-83; York express over Penna Tpk I-76	1951	68,340	Fair
I-83; SR 0083 over T-955; Limekiln Rd	1952	68,340	Poor
I-83; SR 0083 over Yellow Breeches Creek	1952	68,340	Fair
I-83; SR 0083 over US 30; SR 0030	1959	57,639	Poor
I-83; SR 0083 over Trib to Codorus Creek	1957	57,639	Fair