US Bridges

Chestnut Street over Lopatcong Creek

Fair

Warren County, New Jersey · O.1 Mi.North of RT.122 · Structure no. 2102047

Built
1949
76 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
3,369
2023 count
Owner
County
County Highway Agency

About this bridge

Chestnut Street over Lopatcong Creek is a steel stringer/multi-beam or girder carrying Chestnut Street over Lopatcong Creek in Warren County, New Jersey. It was built in 1949, so it is 76 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 3,369 vehicles a day, roughly 4% of them trucks, projected to reach 4,111 by 2043. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChestnut Street
CrossesLopatcong Creek
LocationO.1 Mi.North of RT.122
RouteCity Street 0
Coordinates40.67816, -75.16243
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.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,369 (2023)
Projected traffic4,111 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$206,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chestnut Street over Lopatcong Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is Chestnut 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 Chestnut Street over Lopatcong Creek carry?

About 3,369 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Chestnut Street over Lopatcong Creek?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Chestnut Street over Lopatcong Creek?

It is owned by the County Highway Agency.