US Bridges

Union Valley Road over Cranbury Brook

Fair

Middlesex County, New Jersey · 0.57 Miles North of CR619 · Structure no. 125B137

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
9,968
2023 count
Owner
County
County Highway Agency

About this bridge

Union Valley Road over Cranbury Brook is a prestressed concrete slab carrying Union Valley Road over Cranbury Brook in Middlesex County, New Jersey. It was built in 1984, so it is 41 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 9,968 vehicles a day, roughly 3% of them trucks, projected to reach 12,161 by 2043. The structure is 47 ft (14.3 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUnion Valley Road
CrossesCranbury Brook
Location0.57 Miles North of CR619
RouteCounty Highway 615
CountyMiddlesex County
StateNew Jersey
Coordinates40.30119, -74.46335
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span42 ft (12.8 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,968 (2023)
Projected traffic12,161 by 2043
Trucks3%
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 Union Valley Road over Cranbury Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is Union Valley Road over Cranbury 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 Union Valley Road over Cranbury Brook carry?

About 9,968 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Union Valley Road over Cranbury Brook?

The structure is 47 ft (14.3 m) long with a longest span of 42 ft (12.8 m) and a deck 53 ft wide.

Who owns Union Valley Road over Cranbury Brook?

It is owned by the County Highway Agency.