US Bridges

Old Turnpike Road over Musconetcong River

Good

Warren County, New Jersey · MP 17.97 on Rt. 57 · Structure no. 2101605

Built
1900
125 years old, rebuilt 2016
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
562
2023 count
Owner
County
County Highway Agency

About this bridge

Old Turnpike Road over Musconetcong River is a prestressed concrete box beam or girders - multiple carrying Old Turnpike Road over Musconetcong River in Warren County, New Jersey. It was built in 1900 and reconstructed in 2016, so it is 125 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 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 562 vehicles a day, roughly 3% of them trucks, projected to reach 685 by 2043. The structure is 86 ft (26.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Turnpike Road
CrossesMusconetcong River
LocationMP 17.97 on Rt. 57
RouteCity Street 0
Coordinates40.80316, -74.86323
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.9 US tons
Inventory rating64.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length86 ft (26.2 m)
Longest span82 ft (25 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2023)
Projected traffic685 by 2043
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Turnpike Road over Musconetcong River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2016.

What condition is Old Turnpike Road over Musconetcong River 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 March 2023.

How much traffic does Old Turnpike Road over Musconetcong River carry?

About 562 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Old Turnpike Road over Musconetcong River?

The structure is 86 ft (26.2 m) long with a longest span of 82 ft (25 m) and a deck 30 ft wide.

Who owns Old Turnpike Road over Musconetcong River?

It is owned by the County Highway Agency.