US Bridges

Raider Blvd over Royce Brook

Poor

Somerset County, New Jersey · 0.12 MI West of US 206 · Structure no. 18E0507

Built
1981
44 years old
Condition
Poor
inspected September 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
37 ft
2 main spans
Daily traffic
4,599
2023 count
Owner
County
County Highway Agency

About this bridge

Raider Blvd over Royce Brook is a aluminum, wrought iron, or cast iron culvert carrying Raider Blvd over Royce Brook in Somerset County, New Jersey. It was built in 1981, so it is 44 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 4,599 vehicles a day, roughly 4% of them trucks, projected to reach 5,519 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRaider Blvd
CrossesRoyce Brook
Location0.12 MI West of US 206
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.49469, -74.65041
Functional classUrban Minor Arterial

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,599 (2023)
Projected traffic5,519 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Raider Blvd over Royce Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is Raider Blvd over Royce Brook 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 September 2023.

How much traffic does Raider Blvd over Royce Brook carry?

About 4,599 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Raider Blvd over Royce Brook?

The structure is 37 ft (11.3 m) long with a longest span of 17 ft (5.2 m).

Who owns Raider Blvd over Royce Brook?

It is owned by the County Highway Agency.