US Bridges

I80 I280&RAMPS B&f over Troy Brook Branch

Good

Morris County, New Jersey · I-280 Interchange · Structure no. 1414174

Built
1968
57 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
186,760
2023 count
Owner
State
State Highway Agency

About this bridge

I80 I280&RAMPS B&f over Troy Brook Branch is a concrete culvert carrying I80 I280&RAMPS B&f over Troy Brook Branch in Morris County, New Jersey. It was built in 1968, so it is 57 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 186,760 vehicles a day, roughly 9% of them trucks, projected to reach 227,883 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI80 I280&RAMPS B&f
CrossesTroy Brook Branch
LocationI-280 Interchange
RouteInterstate 80
CountyMorris County
StateNew Jersey
Coordinates40.85817, -74.372
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
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 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 traffic186,760 (2023)
Projected traffic227,883 by 2043
Trucks9%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I80 I280&RAMPS B&f over Troy Brook Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is I80 I280&RAMPS B&f over Troy Brook Branch 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 I80 I280&RAMPS B&f over Troy Brook Branch carry?

About 186,760 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I80 I280&RAMPS B&f over Troy Brook Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns I80 I280&RAMPS B&f over Troy Brook Branch?

It is owned by the State Highway Agency.