US Bridges

Colby Farm Road over Trib. to Peapack Brook

Fair

Morris County, New Jersey · 300 Feet E of Rt 206 · Structure no. 1407002

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
41 ft
1 main span
Daily traffic
1,218
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Colby Farm Road over Trib. to Peapack Brook is a concrete culvert carrying Colby Farm Road over Trib. to Peapack Brook in Morris County, New Jersey. It was built in 1960, so it is 65 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 1,218 vehicles a day, roughly 1% of them trucks, projected to reach 1,486 by 2043. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesColby Farm Road
CrossesTrib. to Peapack Brook
Location300 Feet E of Rt 206
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.77706, -74.6935
Functional classUrban Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,218 (2023)
Projected traffic1,486 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Colby Farm Road over Trib. to Peapack Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is Colby Farm Road over Trib. to Peapack 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 August 2023.

How much traffic does Colby Farm Road over Trib. to Peapack Brook carry?

About 1,218 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Colby Farm Road over Trib. to Peapack Brook?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m).

Who owns Colby Farm Road over Trib. to Peapack Brook?

It is owned by the Town or Township Highway Agency.