US Bridges

Colby Farm Road over Trib. to Peapack Brook

Good

Morris County, New Jersey · 0.6 Miles E of Rt 206 · Structure no. 1407001

Built
1960
65 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
42 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 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 1,218 vehicles a day, roughly 1% of them trucks, projected to reach 1,486 by 2043. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColby Farm Road
CrossesTrib. to Peapack Brook
Location0.6 Miles E of Rt 206
RouteCity Street 0
Coordinates40.77991, -74.68385
Functional classUrban Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 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 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 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 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m).

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

It is owned by the Town or Township Highway Agency.