US Bridges

US 206 Bypass over CSX RR

Good

Somerset County, New Jersey · 1 Mi. N. of Hillsborough · Structure no. 1810183

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
253 ft
1 main span
Daily traffic
1,860
2023 count
Owner
State
State Highway Agency

About this bridge

US 206 Bypass over CSX RR is a steel stringer/multi-beam or girder carrying US 206 Bypass over CSX RR in Somerset County, New Jersey. It was built in 2013, so it is 12 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 1,860 vehicles a day, roughly 4% of them trucks, projected to reach 2,232 by 2043. The structure is 253 ft (77.1 m) long and 68 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 206 Bypass
CrossesCSX RR
Location1 Mi. N. of Hillsborough
RouteU.S. Route 206
Coordinates40.48873, -74.63894
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length253 ft (77.1 m)
Longest span230 ft (70.1 m)
Deck width68 ft (20.8 m)
Roadway width49 ft (15 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,860 (2023)
Projected traffic2,232 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 US 206 Bypass over CSX RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 206 Bypass over CSX RR 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 June 2023.

How much traffic does US 206 Bypass over CSX RR carry?

About 1,860 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 206 Bypass over CSX RR?

The structure is 253 ft (77.1 m) long with a longest span of 230 ft (70.1 m) and a deck 68 ft wide.

Who owns US 206 Bypass over CSX RR?

It is owned by the State Highway Agency.