US Bridges

Water Street over No.Br.Rockaway Cr. Trib

Fair

Hunterdon County, New Jersey · 1.5 Mi.E.Of CR 639 · Structure no. 1000042

Built
1938
87 years old, rebuilt 1948
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
831
2023 count
Owner
County
County Highway Agency

About this bridge

Water Street over No.Br.Rockaway Cr. Trib is a steel stringer/multi-beam or girder carrying Water Street over No.Br.Rockaway Cr. Trib in Hunterdon County, New Jersey. It was built in 1938 and reconstructed in 1948, so it is 87 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 6 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 831 vehicles a day, roughly 5% of them trucks, projected to reach 1,015 by 2043. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWater Street
CrossesNo.Br.Rockaway Cr. Trib
Location1.5 Mi.E.Of CR 639
RouteCity Street 0
CountyHunterdon County
StateNew Jersey
Coordinates40.68956, -74.82264
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic831 (2023)
Projected traffic1,015 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$157,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Water Street over No.Br.Rockaway Cr. Trib built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1948.

What condition is Water Street over No.Br.Rockaway Cr. Trib 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 May 2023.

How much traffic does Water Street over No.Br.Rockaway Cr. Trib carry?

About 831 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Water Street over No.Br.Rockaway Cr. Trib?

The structure is 35 ft (10.7 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Water Street over No.Br.Rockaway Cr. Trib?

It is owned by the County Highway Agency.