US Bridges

Constance Road over Salt Brook

Fair

Union County, New Jersey · Near Brookside Road · Structure no. 2011073

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
414
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Constance Road over Salt Brook is a prestressed concrete slab carrying Constance Road over Salt Brook in Union County, New Jersey. It was built in 1959, so it is 66 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 414 vehicles a day, roughly 1% of them trucks, projected to reach 505 by 2044. The structure is 22 ft (6.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesConstance Road
CrossesSalt Brook
LocationNear Brookside Road
RouteCity Street 0
CountyUnion County
StateNew Jersey
Coordinates40.70361, -74.39295
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width46 ft (14.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic414 (2024)
Projected traffic505 by 2044
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Constance Road over Salt Brook built?

It was built in 1959, making it 66 years old in 2025.

What condition is Constance Road over Salt 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 2024.

How much traffic does Constance Road over Salt Brook carry?

About 414 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Constance Road over Salt Brook?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 46 ft wide.

Who owns Constance Road over Salt Brook?

It is owned by the City or Municipal Highway Agency.