US Bridges

I-80 & Ramp a over Willis Brook

Fair

Morris County, New Jersey · 300 Ft. West of Rt 206 · Structure no. 1427152

Built
1969
56 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
66,400
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 & Ramp a over Willis Brook is a concrete culvert carrying I-80 & Ramp a over Willis Brook in Morris County, New Jersey. It was built in 1969, so it is 56 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 66,400 vehicles a day, roughly 9% of them trucks, projected to reach 81,020 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-80 & Ramp a
CrossesWillis Brook
Location300 Ft. West of Rt 206
RouteInterstate 80
CountyMorris County
StateNew Jersey
Coordinates40.90632, -74.72563
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,400 (2024)
Projected traffic81,020 by 2044
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-80 & Ramp a over Willis Brook built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-80 & Ramp a over Willis Brook 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 March 2024.

How much traffic does I-80 & Ramp a over Willis Brook carry?

About 66,400 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-80 & Ramp a over Willis Brook?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns I-80 & Ramp a over Willis Brook?

It is owned by the State Highway Agency.