US Bridges

Conant ST (cr 630) over Stream 8-5

Fair

Union County, New Jersey · At Conrail Overpass · Structure no. 2007032

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
5,650
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Conant ST (cr 630) over Stream 8-5 is a concrete culvert carrying Conant ST (cr 630) over Stream 8-5 in Union County, New Jersey. It was built in 1930, so it is 95 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 5,650 vehicles a day, roughly 4% of them trucks, projected to reach 6,894 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesConant ST (cr 630)
CrossesStream 8-5
LocationAt Conrail Overpass
RouteCounty Highway 630
CountyUnion County
StateNew Jersey
Coordinates40.68926, -74.229
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic5,650 (2024)
Projected traffic6,894 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Conant ST (cr 630) over Stream 8-5 built?

It was built in 1930, making it 95 years old in 2025.

What condition is Conant ST (cr 630) over Stream 8-5 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 2024.

How much traffic does Conant ST (cr 630) over Stream 8-5 carry?

About 5,650 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Conant ST (cr 630) over Stream 8-5?

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

Who owns Conant ST (cr 630) over Stream 8-5?

It is owned by the Town or Township Highway Agency.