US Bridges

US 206 Bybass over Royce Brook

Good

Somerset County, New Jersey · 0.4 Miles S. of JCT CR514 · Structure no. 1810184

Built
2012
13 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
1 main span
Daily traffic
1,926
2023 count
Owner
State
State Highway Agency

About this bridge

US 206 Bybass over Royce Brook is a steel stringer/multi-beam or girder carrying US 206 Bybass over Royce Brook in Somerset County, New Jersey. It was built in 2012, so it is 13 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 1,926 vehicles a day, roughly 1% of them trucks, projected to reach 2,311 by 2043. The structure is 166 ft (50.6 m) long and 71 ft wide.

CarriesUS 206 Bybass
CrossesRoyce Brook
Location0.4 Miles S. of JCT CR514
RouteU.S. Route 206B
Coordinates40.49413, -74.63704
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length166 ft (50.6 m)
Longest span158 ft (48.2 m)
Deck width71 ft (21.6 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,926 (2023)
Projected traffic2,311 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 206 Bybass over Royce Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 206 Bybass over Royce 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 August 2023.

How much traffic does US 206 Bybass over Royce Brook carry?

About 1,926 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is US 206 Bybass over Royce Brook?

The structure is 166 ft (50.6 m) long with a longest span of 158 ft (48.2 m) and a deck 71 ft wide.

Who owns US 206 Bybass over Royce Brook?

It is owned by the State Highway Agency.