US Bridges

Timber Hill Drive over Pinch Brook

Fair

Morris County, New Jersey · 1.1M SE of CR632&NJ10 JCT · Structure no. 1410002

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Culvert
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
729
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Timber Hill Drive over Pinch Brook is a prestressed concrete culvert carrying Timber Hill Drive over Pinch Brook in Morris County, New Jersey. It was built in 1976, so it is 49 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 729 vehicles a day, roughly 1% of them trucks, projected to reach 889 by 2043. The structure is 26 ft (7.9 m) long and 50 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesTimber Hill Drive
CrossesPinch Brook
Location1.1M SE of CR632&NJ10 JCT
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.80214, -74.37796
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width50 ft (15.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic729 (2023)
Projected traffic889 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Timber Hill Drive over Pinch Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is Timber Hill Drive over Pinch 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 July 2023.

How much traffic does Timber Hill Drive over Pinch Brook carry?

About 729 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Timber Hill Drive over Pinch Brook?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 50 ft wide.

Who owns Timber Hill Drive over Pinch Brook?

It is owned by the City or Municipal Highway Agency.