US Bridges

Abbett Avenue over Whippany River

Fair

Morris County, New Jersey · 0.22MI NW of I287 Exit 36 · Structure no. 1400120

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
9,746
2023 count
Owner
County
County Highway Agency

About this bridge

Abbett Avenue over Whippany River is a prestressed concrete box beam or girders - multiple carrying Abbett Avenue over Whippany River in Morris County, New Jersey. It was built in 1986, so it is 39 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 9,746 vehicles a day, roughly 4% of them trucks, projected to reach 11,890 by 2043. The structure is 78 ft (23.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAbbett Avenue
CrossesWhippany River
Location0.22MI NW of I287 Exit 36
RouteCity Street 0
Coordinates40.80119, -74.47185
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length78 ft (23.8 m)
Longest span74 ft (22.6 m)
Deck width49 ft (14.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,746 (2023)
Projected traffic11,890 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Abbett Avenue over Whippany River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Abbett Avenue 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 Abbett Avenue over Whippany River carry?

About 9,746 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Abbett Avenue over Whippany River?

The structure is 78 ft (23.8 m) long with a longest span of 74 ft (22.6 m) and a deck 49 ft wide.

Who owns Abbett Avenue over Whippany River?

It is owned by the County Highway Agency.