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Bridge conditions in Morris County, New Jersey

509 inventoried bridges · 27 rated poor · 2025 National Bridge Inventory

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

27 of the 509 bridges the federal inventory lists in Morris County are rated poor; the rest split 99 good and 383 fair.

27 of the 509 bridges in Morris County, New Jersey, are rated in poor condition (5.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
99 bridges (19.4%) are rated good and 383 (75.2%) fair.
The median Morris County bridge was built in 1966.
The busiest poor-rated bridge is Nj 23 over Pequ Riv RR Hmbg Tpk SB (built 1934), carrying about 63,188 vehicles a day.

Good 19.4% · Fair 75.2% · Poor 5.3% of 509 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Nj 23 over Pequ Riv RR Hmbg Tpk SB	1934	63,188	Poor
I-80 Eastbound over Howard Blvd. (CR 615)	1959	53,919	Poor
I-80 WB over Howard Boulevard (615)	1959	53,919	Poor
Nj 15 SB over Rockway River	1900	37,033	Poor
Nj 15 NB over Aband Mt Hope Mineral RR	1958	25,996	Poor
Hanover AVE(CR650) over I-287	1973	24,300	Poor
Martin L King Ave over Whippany River	1900	13,169	Poor
CR621(CHANGEBR Rd) over I-80	1965	10,083	Poor
Franklin Avenue over Morristown Line MP 35.93	1927	8,294	Poor
Intervale Rd-us202 over I-287	1963	8,255	Poor
New Road over I-280	1970	7,813	Poor
E.main St(cr 644) over Rockaway River	1840	7,737	Poor
West Dewey Avenue over Morristown Line MP 40.50	1935	5,850	Poor
Franklin Street over I-287	1968	5,141	Poor
Carey Av(cr 511NB) over Kikeout Brook	1928	5,101	Poor
Parker Rd WB over Nj 15 NB	1943	4,182	Poor
1ST Street over Green Pond Brook	1959	3,200	Poor
White Bridge Road over Black Brook	1953	3,067	Poor
Baileys Mill Road over I-287 SB	1968	2,825	Poor
Nj Route 159 over Branch of Passaic River	1921	2,799	Poor
Danforth Road over Morristown Line MP 26.79	1941	2,680	Poor
Ironia Rd over N.branch Raritan River	1952	1,869	Poor
Dicksons Mill Rd over Silver Brook	1923	695	Poor
Old Bloomfield Ave over Branch Ofpassaic River	1921	328	Poor
Lenape Island Road over Indian Lake	1966	94	Poor
Pleasant Plains Rd over Great Brook	1922	50	Poor
Shinkle Road over Green Pond Brook	1951	50	Poor

Busiest bridges in the county

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
I-287 over Whippany River	1973	125,809	Fair
I-287 over Whippany River	1973	124,400	Fair
I-80 over I-287 NB & Ramp H	1973	121,989	Fair
I-80 &ramps E&m over Troy Brook.	1971	112,464	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of New Jersey: New Jersey bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.