US Bridges

Riva Avenue over Ireland Brook

Fair

Middlesex County, New Jersey · 1.28 Miles E. of RTE 130 · Structure no. 124B033

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
2,182
2023 count
Owner
County
County Highway Agency

About this bridge

Riva Avenue over Ireland Brook is a concrete culvert carrying Riva Avenue over Ireland Brook in Middlesex County, New Jersey. It was built in 1987, so it is 38 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 fair condition with a lowest component rating of 6 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 2,182 vehicles a day, roughly 3% of them trucks, projected to reach 2,663 by 2043. The structure is 20 ft (6.1 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRiva Avenue
CrossesIreland Brook
Location1.28 Miles E. of RTE 130
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.42036, -74.48497
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,182 (2023)
Projected traffic2,663 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Riva Avenue over Ireland Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is Riva Avenue over Ireland Brook 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 March 2023.

How much traffic does Riva Avenue over Ireland Brook carry?

About 2,182 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Riva Avenue over Ireland Brook?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 52 ft wide.

Who owns Riva Avenue over Ireland Brook?

It is owned by the County Highway Agency.