US Bridges

Buttermilk Br. Rd. over Pohatcong Creek

Good

Warren County, New Jersey · 0.5 Mi. South Nj RT57 · Structure no. 2102218

Built
1991
34 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

Buttermilk Br. Rd. over Pohatcong Creek is a prestressed concrete slab carrying Buttermilk Br. Rd. over Pohatcong Creek in Warren County, New Jersey. It was built in 1991, so it is 34 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 270 vehicles a day, roughly 1% of them trucks, projected to reach 330 by 2043. The structure is 52 ft (15.8 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesButtermilk Br. Rd.
CrossesPohatcong Creek
Location0.5 Mi. South Nj RT57
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.74475, -75.01358
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span47 ft (14.3 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic330 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Buttermilk Br. Rd. over Pohatcong Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Buttermilk Br. Rd. over Pohatcong Creek 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 April 2023.

How much traffic does Buttermilk Br. Rd. over Pohatcong Creek carry?

About 270 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Buttermilk Br. Rd. over Pohatcong Creek?

The structure is 52 ft (15.8 m) long with a longest span of 47 ft (14.3 m) and a deck 36 ft wide.

Who owns Buttermilk Br. Rd. over Pohatcong Creek?

It is owned by the County Highway Agency.