Home › Pennsylvania › Dauphin County › SR 3021; Twp Rd over I-81;RP Af C G;paxt

SR 3021; Twp Rd over I-81;RP Af C G;paxton Ck

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

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

SR 3021; Twp Rd over I-81;RP Af C G;paxton Ck in Dauphin 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 1974 and reconstructed in 2013, making it 51 years old at the 2025 inventory.
It carries about 6,391 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 96 of the 448 inventoried bridges in Dauphin County rated good (21.4%); 41 (9.2%) 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	Steel stringer or multi-beam girder
Length	about 636 ft
Location	I-81 & 22-322 Interchange
NBI structure number	000000000014557
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 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