US Bridges

Malcolm Street over Whippany River

Fair

Morris County, New Jersey · 0.2MI E of I-287 Exit 36 · Structure no. 1400128

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
475
2023 count
Owner
County
County Highway Agency

About this bridge

Malcolm Street over Whippany River is a steel stringer/multi-beam or girder carrying Malcolm Street over Whippany River in Morris County, New Jersey. It was built in 1972, so it is 53 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 475 vehicles a day, roughly 1% of them trucks, projected to reach 580 by 2043. The structure is 95 ft (29 m) long and 44 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMalcolm Street
CrossesWhippany River
Location0.2MI E of I-287 Exit 36
RouteCity Street 0
Coordinates40.79892, -74.46438
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span89 ft (27.1 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2023)
Projected traffic580 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Malcolm Street over Whippany River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Malcolm Street over Whippany River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Malcolm Street over Whippany River carry?

About 475 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Malcolm Street over Whippany River?

The structure is 95 ft (29 m) long with a longest span of 89 ft (27.1 m) and a deck 44 ft wide.

Who owns Malcolm Street over Whippany River?

It is owned by the County Highway Agency.