US Bridges

Riva Avenue over Lawrence Brook

Good

Middlesex County, New Jersey · 0.49 Miles South of CR606 · Structure no. 123B140

Built
1981
44 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
4,982
2023 count
Owner
County
County Highway Agency

About this bridge

Riva Avenue over Lawrence Brook is a prestressed concrete box beam or girders - multiple carrying Riva Avenue over Lawrence Brook in Middlesex County, New Jersey. It was built in 1981, so it is 44 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 4,982 vehicles a day, roughly 4% of them trucks, projected to reach 6,079 by 2043. The structure is 66 ft (20.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRiva Avenue
CrossesLawrence Brook
Location0.49 Miles South of CR606
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.44867, -74.44609
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width43 ft (13.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,982 (2023)
Projected traffic6,079 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Riva Avenue over Lawrence Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is Riva Avenue over Lawrence Brook 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 April 2023.

How much traffic does Riva Avenue over Lawrence Brook carry?

About 4,982 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Riva Avenue over Lawrence Brook?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 43 ft wide.

Who owns Riva Avenue over Lawrence Brook?

It is owned by the County Highway Agency.