US Bridges

Nj 57 over Lopatcong Creek

Poor

Warren County, New Jersey · 1.4 MI East of Rt 22 · Structure no. 2105152

Built
1921
104 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
10,356
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 57 over Lopatcong Creek is a steel stringer/multi-beam or girder carrying Nj 57 over Lopatcong Creek in Warren County, New Jersey. It was built in 1921, so it is 104 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10,356 vehicles a day, roughly 4% of them trucks, projected to reach 12,428 by 2043. The structure is 46 ft (14 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNj 57
CrossesLopatcong Creek
Location1.4 MI East of Rt 22
RouteState Highway 57
Coordinates40.70222, -75.13701
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,356 (2023)
Projected traffic12,428 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 57 over Lopatcong Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is Nj 57 over Lopatcong Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does Nj 57 over Lopatcong Creek carry?

About 10,356 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 57 over Lopatcong Creek?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns Nj 57 over Lopatcong Creek?

It is owned by the State Highway Agency.