US Bridges

Limekiln Road over Musconetcong River

Fair

Warren County, New Jersey · 0.8 MI N of Nj Rt 173 · Structure no. 2100546

Built
1915
110 years old, rebuilt 2000
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
2 main spans
Daily traffic
97
2023 count
Owner
County
County Highway Agency

About this bridge

Limekiln Road over Musconetcong River is a steel stringer/multi-beam or girder carrying Limekiln Road over Musconetcong River in Warren County, New Jersey. It was built in 1915 and reconstructed in 2000, so it is 110 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 97 vehicles a day, roughly 3% of them trucks, projected to reach 119 by 2043. The structure is 68 ft (20.7 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLimekiln Road
CrossesMusconetcong River
Location0.8 MI N of Nj Rt 173
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.67237, -75.06059
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2023)
Projected traffic119 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$2.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Limekiln Road over Musconetcong River built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 2000.

What condition is Limekiln Road 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 Limekiln Road over Musconetcong River carry?

About 97 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Limekiln Road over Musconetcong River?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 18 ft wide.

Who owns Limekiln Road over Musconetcong River?

It is owned by the County Highway Agency.