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Pa 283; SR 0300 over Swatara Cr;m&h R/r;t-496

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

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

Pa 283; SR 0300 over Swatara Cr;m&h R/r;t-496 in Dauphin County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1971 and reconstructed in 2020, making it 54 years old at the 2025 inventory.
It carries about 17,423 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 311 of the 448 inventoried bridges in Dauphin County rated fair (69.4%); 41 (9.2%) 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 595 ft
Location	2 Mi. N. Middletown
NBI structure number	000000000014351
Condition class	Fair

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 Twp Rd 369 & Sprng Crk.r	1953	91,219	Fair
I-83; SR 0083 over Twp Rd 392 Peiffer Lane	1994	91,219	Fair
SR 0083; I-83 over Susq.river;r.r.lowther S	1960	89,499	Poor
I-83; SR 0083 over Pa 230;NS;RP B C;front	1960	89,209	Fair
I-83; SR 0083 over T-411; Londonderry Rd	2021	84,491	Good
I-83; SR 0083 over T-586; Megoulas Blvd.	2021	84,491	Good