US Bridges

I-287 over Unnamed Stream

Good

Morris County, New Jersey · 1.55 MI S of Mountain Ave · Structure no. 1420179

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
85,977
2023 count
Owner
State
State Highway Agency

About this bridge

I-287 over Unnamed Stream is a steel culvert carrying I-287 over Unnamed Stream in Morris County, New Jersey. It was built in 1989, so it is 36 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 85,977 vehicles a day, roughly 9% of them trucks, projected to reach 104,908 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-287
CrossesUnnamed Stream
Location1.55 MI S of Mountain Ave
RouteInterstate 287
Coordinates40.95302, -74.34079
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85,977 (2023)
Projected traffic104,908 by 2043
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 Unnamed Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-287 over Unnamed Stream 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 March 2023.

How much traffic does I-287 over Unnamed Stream carry?

About 85,977 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-287 over Unnamed Stream?

The structure is 22 ft (6.7 m) long with a longest span of 19 ft (5.8 m).

Who owns I-287 over Unnamed Stream?

It is owned by the State Highway Agency.