US Bridges

County Route 519 over Lopatcong Creek

Fair

Warren County, New Jersey · 0.02 MI North of Rt Nj 57 · Structure no. 2101506

Built
1928
97 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
6,194
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 519 over Lopatcong Creek is a steel stringer/multi-beam or girder carrying County Route 519 over Lopatcong Creek in Warren County, New Jersey. It was built in 1928, so it is 97 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 5 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 6,194 vehicles a day, roughly 4% of them trucks, projected to reach 7,558 by 2043. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Route 519
CrossesLopatcong Creek
Location0.02 MI North of Rt Nj 57
RouteCounty Highway 519
CountyWarren County
StateNew Jersey
Coordinates40.70239, -75.13728
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,194 (2023)
Projected traffic7,558 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 519 over Lopatcong Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is County Route 519 over Lopatcong Creek 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 April 2023.

How much traffic does County Route 519 over Lopatcong Creek carry?

About 6,194 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 519 over Lopatcong Creek?

The structure is 39 ft (11.9 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns County Route 519 over Lopatcong Creek?

It is owned by the County Highway Agency.