US Bridges

I-80 &ramps E&m over Troy Brook.

Fair

Morris County, New Jersey · I -80 & I-287 Interchange · Structure no. 1414182

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
112,464
2023 count
Owner
State
State Highway Agency

About this bridge

I-80 &ramps E&m over Troy Brook. is a concrete culvert carrying I-80 &ramps E&m over Troy Brook. in Morris County, New Jersey. It was built in 1971, so it is 54 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 112,464 vehicles a day, roughly 9% of them trucks, projected to reach 134,956 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-80 &ramps E&m
CrossesTroy Brook.
LocationI -80 & I-287 Interchange
RouteInterstate 80
CountyMorris County
StateNew Jersey
Coordinates40.86259, -74.40978
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112,464 (2023)
Projected traffic134,956 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 I-80 &ramps E&m over Troy Brook. built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-80 &ramps E&m over Troy 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-80 &ramps E&m over Troy Brook. carry?

About 112,464 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-80 &ramps E&m over Troy Brook.?

The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.5 m).

Who owns I-80 &ramps E&m over Troy Brook.?

It is owned by the State Highway Agency.