US Bridges

Nj 57 over Br. Musconetcong River

Fair

Warren County, New Jersey · 0.32 M West of CR 652 JCT · Structure no. 2106158

Built
1924
101 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
12,245
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 57 over Br. Musconetcong River is a steel stringer/multi-beam or girder carrying Nj 57 over Br. Musconetcong River in Warren County, New Jersey. It was built in 1924, so it is 101 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 12,245 vehicles a day, roughly 7% of them trucks, projected to reach 14,694 by 2043. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNj 57
CrossesBr. Musconetcong River
Location0.32 M West of CR 652 JCT
RouteState Highway 57
CountyWarren County
StateNew Jersey
Coordinates40.78341, -74.90088
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,245 (2023)
Projected traffic14,694 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$210,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 57 over Br. Musconetcong River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Nj 57 over Br. 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 March 2023.

How much traffic does Nj 57 over Br. Musconetcong River carry?

About 12,245 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nj 57 over Br. Musconetcong River?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns Nj 57 over Br. Musconetcong River?

It is owned by the State Highway Agency.