US Bridges

Waterloo Valley RD over Musconetcong River

Fair

Morris County, New Jersey · Junct.At Rt.Warren CO.604 · Structure no. 1401048

Built
1900
125 years old, rebuilt 1961
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
113
2023 count
Owner
County
County Highway Agency

About this bridge

Waterloo Valley RD over Musconetcong River is a prestressed concrete box beam or girders - multiple carrying Waterloo Valley RD over Musconetcong River in Morris County, New Jersey. It was built in 1900 and reconstructed in 1961, 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 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 113 vehicles a day, roughly 3% of them trucks, projected to reach 138 by 2043. The structure is 80 ft (24.4 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWaterloo Valley RD
CrossesMusconetcong River
LocationJunct.At Rt.Warren CO.604
Coordinates40.88071, -74.80749
Functional classUrban Collector

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.
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 inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span27 ft (8.2 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2023)
Projected traffic138 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Waterloo Valley RD over Musconetcong River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1961.

What condition is Waterloo Valley RD 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 June 2023.

How much traffic does Waterloo Valley RD over Musconetcong River carry?

About 113 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Waterloo Valley RD over Musconetcong River?

The structure is 80 ft (24.4 m) long with a longest span of 27 ft (8.2 m) and a deck 18 ft wide.

Who owns Waterloo Valley RD over Musconetcong River?

It is owned by the County Highway Agency.