US Bridges

Lock Street over Lopatcong Creek

Fair

Warren County, New Jersey · 0.01 Mi.North of RT.NJ122 · Structure no. 2101902

Built
1926
99 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
1,764
2023 count
Owner
County
County Highway Agency

About this bridge

Lock Street over Lopatcong Creek is a steel stringer/multi-beam or girder carrying Lock Street over Lopatcong Creek in Warren County, New Jersey. It was built in 1926, so it is 99 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 1,764 vehicles a day, roughly 4% of them trucks, projected to reach 2,153 by 2043. The structure is 35 ft (10.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLock Street
CrossesLopatcong Creek
Location0.01 Mi.North of RT.NJ122
RouteCity Street 0
Coordinates40.67725, -75.16663
Functional classUrban Minor Arterial

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
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,764 (2023)
Projected traffic2,153 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lock Street over Lopatcong Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is Lock Street over Lopatcong Creek 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 Lock Street over Lopatcong Creek carry?

About 1,764 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lock Street over Lopatcong Creek?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 40 ft wide.

Who owns Lock Street over Lopatcong Creek?

It is owned by the County Highway Agency.