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I-80 WB & Ramp K over Rockaway River

Morris County, New Jersey · rated Fair in the 2025 National Bridge Inventory

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

I-80 WB & Ramp K over Rockaway River in Morris County, New Jersey, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1958 and reconstructed in 1993, making it 67 years old at the 2025 inventory.
It carries about 68,620 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 383 of the 509 inventoried bridges in Morris County rated fair (75.2%); 27 (5.3%) 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 stringer or multi-beam girder
Length	about 166 ft
Location	0.18 Mi W of US 46
NBI structure number	1413175
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I80 I280&RAMPS B&f over Troy Brook Branch	1968	186,760	Good
Rt I-287 over Eden Ln Rvr&morr&erie RR	1970	161,936	Fair
I-80 over Smith Road	1973	161,136	Fair
I-80 Eastbound over Stoney Brook Road	1958	152,398	Fair
I-80 WB over Stoney Brook Road	1958	152,398	Fair
I 287 NB and SB over Malapardis Brook	1954	146,050	Fair