US Bridges

Federal Road over Cranbury Brook

Good

Middlesex County, New Jersey · 0.9M West of Perrineville · Structure no. 125B122

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
2,881
2023 count
Owner
County
County Highway Agency

About this bridge

Federal Road over Cranbury Brook is a prestressed concrete slab carrying Federal Road over Cranbury Brook in Middlesex County, New Jersey. It was built in 2008, so it is 17 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,881 vehicles a day, roughly 3% of them trucks, projected to reach 3,516 by 2043. The structure is 28 ft (8.5 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFederal Road
CrossesCranbury Brook
Location0.9M West of Perrineville
CountyMiddlesex County
StateNew Jersey
Coordinates40.29031, -74.4554
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating98 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span22 ft (6.7 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,881 (2023)
Projected traffic3,516 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Federal Road over Cranbury Brook built?

It was built in 2008, making it 17 years old in 2025.

What condition is Federal Road over Cranbury Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Federal Road over Cranbury Brook carry?

About 2,881 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Federal Road over Cranbury Brook?

The structure is 28 ft (8.5 m) long with a longest span of 22 ft (6.7 m) and a deck 44 ft wide.

Who owns Federal Road over Cranbury Brook?

It is owned by the County Highway Agency.