US Bridges

I-287 over Main Brnch of Post Brook

Fair

Passaic County, New Jersey · 0.04 MI South of CR 511 · Structure no. 1615151

Built
1993
32 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
107,917
2023 count
Owner
State
State Highway Agency

About this bridge

I-287 over Main Brnch of Post Brook is a concrete culvert carrying I-287 over Main Brnch of Post Brook in Passaic County, New Jersey. It was built in 1993, so it is 32 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 107,917 vehicles a day, roughly 9% of them trucks, projected to reach 131,680 by 2043. The structure is 36 ft (11 m) long.

Location

Open in Google Maps
CarriesI-287
CrossesMain Brnch of Post Brook
Location0.04 MI South of CR 511
RouteInterstate 287
CountyPassaic County
StateNew Jersey
Coordinates41.01646, -74.29771
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107,917 (2023)
Projected traffic131,680 by 2043
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-287 over Main Brnch of Post Brook built?

It was built in 1993, making it 32 years old in 2025.

What condition is I-287 over Main Brnch of Post 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 2023.

How much traffic does I-287 over Main Brnch of Post Brook carry?

About 107,917 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-287 over Main Brnch of Post Brook?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m).

Who owns I-287 over Main Brnch of Post Brook?

It is owned by the State Highway Agency.