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Abbett Avenue over Whippany River

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

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

Abbett Avenue over Whippany 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1986, making it 39 years old at the 2025 inventory.
It carries about 9,746 vehicles a day (traffic count year 2023).
Its listed owner is the county 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 multiple box beam
Length	about 78 ft
Location	0.22MI NW of I287 Exit 36
NBI structure number	1400120
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