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Co513-e Blckwll St over Rockaway River

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

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

Co513-e Blckwll St over Rockaway River in Morris County, New Jersey, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1982 and reconstructed in 2020, making it 43 years old at the 2025 inventory.
It carries about 20,874 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 99 of the 509 inventoried bridges in Morris County rated good (19.4%); 27 (5.3%) 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	Continuous prestressed concrete slab
Length	about 109 ft
Location	1.1 Mi East of Rt 46 Jct
NBI structure number	1401015
Condition class	Good

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