US Bridges

Nj 168 over Grenloch Lake

Good

Gloucester County, New Jersey · 0.5 Mile N. of Cr. 705 · Structure no. 0819150

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
12,346
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 168 over Grenloch Lake is a concrete frame carrying Nj 168 over Grenloch Lake in Gloucester County, New Jersey. It was built in 2019, so it is 6 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,346 vehicles a day, roughly 4% of them trucks, projected to reach 14,814 by 2043. The structure is 26 ft (7.9 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 168
CrossesGrenloch Lake
Location0.5 Mile N. of Cr. 705
RouteState Highway 168
Coordinates39.78009, -75.05333
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width90 ft (27.5 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,346 (2023)
Projected traffic14,814 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.2 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 168 over Grenloch Lake built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nj 168 over Grenloch Lake in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Nj 168 over Grenloch Lake carry?

About 12,346 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 168 over Grenloch Lake?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 90 ft wide.

Who owns Nj 168 over Grenloch Lake?

It is owned by the State Highway Agency.