US Bridges

Cranbury S Riverrd over Cedar Brook

Fair

Middlesex County, New Jersey · 0.05 MI S of CR 614 · Structure no. 125B172

Built
1983
42 years old, rebuilt 2003
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
155,106
2023 count
Owner
County
County Highway Agency

About this bridge

Cranbury S Riverrd over Cedar Brook is a concrete culvert carrying Cranbury S Riverrd over Cedar Brook in Middlesex County, New Jersey. It was built in 1983 and reconstructed in 2003, so it is 42 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 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 155,106 vehicles a day, roughly 4% of them trucks, projected to reach 189,259 by 2043. The structure is 20 ft (6.1 m) long and 89 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCranbury S Riverrd
CrossesCedar Brook
Location0.05 MI S of CR 614
RouteCounty Highway 535
CountyMiddlesex County
StateNew Jersey
Coordinates40.32592, -74.49869
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width89 ft (27.2 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155,106 (2023)
Projected traffic189,259 by 2043
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Cranbury S Riverrd over Cedar Brook built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2003.

What condition is Cranbury S Riverrd over Cedar 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 Cranbury S Riverrd over Cedar Brook carry?

About 155,106 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Cranbury S Riverrd over Cedar Brook?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 89 ft wide.

Who owns Cranbury S Riverrd over Cedar Brook?

It is owned by the County Highway Agency.