US Bridges

Eden Lane over Whippany River

Good

Morris County, New Jersey · 0.9MI NE of I287&NJ24 JCT · Structure no. 1400392

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
1 main span
Daily traffic
4,584
2023 count
Owner
County
County Highway Agency

About this bridge

Eden Lane over Whippany River is a steel stringer/multi-beam or girder carrying Eden Lane over Whippany River in Morris County, New Jersey. It was built in 2008, so it is 17 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,584 vehicles a day, roughly 3% of them trucks, projected to reach 5,593 by 2043. The structure is 121 ft (36.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEden Lane
CrossesWhippany River
Location0.9MI NE of I287&NJ24 JCT
RouteCity Street 0
Coordinates40.82014, -74.43517
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating56.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length121 ft (36.9 m)
Longest span116 ft (35.4 m)
Deck width46 ft (14 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,584 (2023)
Projected traffic5,593 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Eden Lane over Whippany River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Eden Lane over Whippany River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Eden Lane over Whippany River carry?

About 4,584 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Eden Lane over Whippany River?

The structure is 121 ft (36.9 m) long with a longest span of 116 ft (35.4 m) and a deck 46 ft wide.

Who owns Eden Lane over Whippany River?

It is owned by the County Highway Agency.