US Bridges

I-287 SB over Main RD & Crooked Brook

Fair

Morris County, New Jersey · 2.10 MI North of Rock Riv · Structure no. 1420171

Built
1962
63 years old, rebuilt 1991
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
50,565
2024 count
Owner
State
State Highway Agency

About this bridge

I-287 SB over Main RD & Crooked Brook is a prestressed concrete stringer/multi-beam or girder carrying I-287 SB over Main RD & Crooked Brook in Morris County, New Jersey. It was built in 1962 and reconstructed in 1991, so it is 63 years old, older 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 50,565 vehicles a day, roughly 9% of them trucks, projected to reach 61,700 by 2044. The structure is 179 ft (54.6 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-287 SB
CrossesMain RD & Crooked Brook
Location2.10 MI North of Rock Riv
RouteInterstate 287
CountyMorris County
StateNew Jersey
Coordinates40.91632, -74.37053
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span73 ft (22.3 m)
Deck width73 ft (22.2 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,565 (2024)
Projected traffic61,700 by 2044
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$919,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-287 SB over Main RD & Crooked Brook built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1991.

What condition is I-287 SB over Main RD & Crooked 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 February 2024.

How much traffic does I-287 SB over Main RD & Crooked Brook carry?

About 50,565 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-287 SB over Main RD & Crooked Brook?

The structure is 179 ft (54.6 m) long with a longest span of 73 ft (22.3 m) and a deck 73 ft wide.

Who owns I-287 SB over Main RD & Crooked Brook?

It is owned by the State Highway Agency.