US Bridges

CR 519 over Musconetcong River

Fair

Warren County, New Jersey · 0.45 MI S of County 639 · Structure no. 2102046

Built
1932
93 years old, rebuilt 2002
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
117 ft
2 main spans
Daily traffic
5,846
2023 count
Owner
County
County Highway Agency

About this bridge

CR 519 over Musconetcong River is a prestressed concrete box beam or girders - multiple carrying CR 519 over Musconetcong River in Warren County, New Jersey. It was built in 1932 and reconstructed in 2002, so it is 93 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 5,846 vehicles a day, roughly 4% of them trucks, projected to reach 7,134 by 2043. The structure is 117 ft (35.7 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 519
CrossesMusconetcong River
Location0.45 MI S of County 639
RouteCounty Highway 519
Coordinates40.63038, -75.13522
Functional classRural 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
Deck7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.1 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length117 ft (35.7 m)
Longest span57 ft (17.4 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,846 (2023)
Projected traffic7,134 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$513,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 519 over Musconetcong River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2002.

What condition is CR 519 over Musconetcong River 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 CR 519 over Musconetcong River carry?

About 5,846 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 519 over Musconetcong River?

The structure is 117 ft (35.7 m) long with a longest span of 57 ft (17.4 m) and a deck 39 ft wide.

Who owns CR 519 over Musconetcong River?

It is owned by the County Highway Agency.