US Bridges

Cregar Road over Raritan Valley Line

Poor

Hunterdon County, New Jersey · 2.45MI N I-78 & Nj 31 JCT · Structure no. 1061152

Built
1993
32 years old
Condition
Poor
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
3,655
2023 count
Owner
Unknown
Unknown

About this bridge

Cregar Road over Raritan Valley Line is a prestressed concrete box beam or girders - multiple carrying Cregar Road over Raritan Valley Line in Hunterdon County, New Jersey. It was built in 1993, so it is 32 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,655 vehicles a day, roughly 1% of them trucks, projected to reach 4,930 by 2043. The structure is 66 ft (20.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCregar Road
CrossesRaritan Valley Line
Location2.45MI N I-78 & Nj 31 JCT
RouteCity Street 0
CountyHunterdon County
StateNew Jersey
Coordinates40.67214, -74.90598
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating98 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,655 (2023)
Projected traffic4,930 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cregar Road over Raritan Valley Line built?

It was built in 1993, making it 32 years old in 2025.

What condition is Cregar Road over Raritan Valley Line in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does Cregar Road over Raritan Valley Line carry?

About 3,655 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Cregar Road over Raritan Valley Line?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 40 ft wide.

Who owns Cregar Road over Raritan Valley Line?

It is owned by the Unknown and maintained by the Other State Agency.