US Bridges

Access Road over Whippany River

Good

Morris County, New Jersey · 0.5 Miles S of Nj 24 · Structure no. 1419186

Built
1972
53 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
1 main span
Daily traffic
32
2023 count
Owner
State
State Highway Agency

About this bridge

Access Road over Whippany River is a steel stringer/multi-beam or girder carrying Access Road 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 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 32 vehicles a day, roughly 1% of them trucks, projected to reach 38 by 2043. The structure is 93 ft (28.3 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAccess Road
CrossesWhippany River
Location0.5 Miles S of Nj 24
RouteInterstate 287
Coordinates40.80607, -74.45602
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span87 ft (26.5 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (2023)
Projected traffic38 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

OwnerState Highway Agency
Maintained byState 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 Access Road over Whippany River built?

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

What condition is Access Road 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 September 2023.

How much traffic does Access Road over Whippany River carry?

About 32 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Access Road over Whippany River?

The structure is 93 ft (28.3 m) long with a longest span of 87 ft (26.5 m) and a deck 40 ft wide.

Who owns Access Road over Whippany River?

It is owned by the State Highway Agency.