US Bridges

Amwell RD (cr 514) over Royce Brook

Fair

Somerset County, New Jersey · 1.0 MI East of US206 · Structure no. 18F0503

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
51 ft
2 main spans
Daily traffic
19,252
2023 count
Owner
County
County Highway Agency

About this bridge

Amwell RD (cr 514) over Royce Brook is a aluminum, wrought iron, or cast iron culvert carrying Amwell RD (cr 514) over Royce Brook in Somerset County, New Jersey. It was built in 1986, so it is 39 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 19,252 vehicles a day, roughly 4% of them trucks, projected to reach 23,102 by 2043. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAmwell RD (cr 514)
CrossesRoyce Brook
Location1.0 MI East of US206
RouteCounty Highway 514
CountySomerset County
StateNew Jersey
Coordinates40.49859, -74.62674
Functional classUrban Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,252 (2023)
Projected traffic23,102 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Amwell RD (cr 514) over Royce Brook built?

It was built in 1986, making it 39 years old in 2025.

What condition is Amwell RD (cr 514) over Royce 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 September 2023.

How much traffic does Amwell RD (cr 514) over Royce Brook carry?

About 19,252 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Amwell RD (cr 514) over Royce Brook?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m).

Who owns Amwell RD (cr 514) over Royce Brook?

It is owned by the County Highway Agency.