US Bridges

Nj 70 over Manasquan River

Good

Ocean County, New Jersey · 5.5 MI East of Grd ST Pkw · Structure no. 1511150

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
724 ft
6 main spans
Daily traffic
32,541
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 70 over Manasquan River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nj 70 over Manasquan River in Ocean County, New Jersey. It was built in 2007, so it is 18 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,541 vehicles a day, roughly 4% of them trucks, projected to reach 39,049 by 2044. The structure is 724 ft (220.7 m) long and 95 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNj 70
CrossesManasquan River
Location5.5 MI East of Grd ST Pkw
RouteState Highway 70
Coordinates40.0968, -74.08696
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length724 ft (220.7 m)
Longest span120 ft (36.6 m)
Deck width95 ft (28.9 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic32,541 (2024)
Projected traffic39,049 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Nj 70 over Manasquan River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nj 70 over Manasquan River 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 September 2024.

How much traffic does Nj 70 over Manasquan River carry?

About 32,541 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 70 over Manasquan River?

The structure is 724 ft (220.7 m) long with a longest span of 120 ft (36.6 m) and a deck 95 ft wide.

Who owns Nj 70 over Manasquan River?

It is owned by the State Highway Agency.