US Bridges

Studdiford Drive over S Branch Raritan River

Good

Somerset County, New Jersey · Loc Intx CR625 & CR606 · Structure no. 18D0702

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Truss - Thru
Steel
Length
195 ft
2 main spans
Daily traffic
3,564
2023 count
Owner
County
County Highway Agency

About this bridge

Studdiford Drive over S Branch Raritan River is a steel truss - thru carrying Studdiford Drive over S Branch Raritan River in Somerset 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 3,564 vehicles a day, roughly 4% of them trucks, projected to reach 4,277 by 2043. The structure is 195 ft (59.4 m) long and 37 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesStuddiford Drive
CrossesS Branch Raritan River
LocationLoc Intx CR625 & CR606
RouteCounty Highway 606
CountySomerset County
StateNew Jersey
Coordinates40.54665, -74.69592
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating22 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length195 ft (59.4 m)
Longest span95 ft (29 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,564 (2023)
Projected traffic4,277 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Studdiford Drive over S Branch Raritan River built?

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

What condition is Studdiford Drive over S Branch Raritan River 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 August 2023.

How much traffic does Studdiford Drive over S Branch Raritan River carry?

About 3,564 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Studdiford Drive over S Branch Raritan River?

The structure is 195 ft (59.4 m) long with a longest span of 95 ft (29 m) and a deck 37 ft wide.

Who owns Studdiford Drive over S Branch Raritan River?

It is owned by the County Highway Agency.