US Bridges

Chimney Rock Road over US 22

Good

Somerset County, New Jersey · 0.3 Mile North of I-287. · Structure no. 1803162

Built
2014
11 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
133 ft
1 main span
Daily traffic
5,335
2023 count
Owner
County
County Highway Agency

About this bridge

Chimney Rock Road over US 22 is a steel stringer/multi-beam or girder carrying Chimney Rock Road over US 22 in Somerset County, New Jersey. It was built in 2014, so it is 11 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 5,335 vehicles a day, roughly 1% of them trucks, projected to reach 6,402 by 2043. The structure is 133 ft (40.5 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChimney Rock Road
CrossesUS 22
Location0.3 Mile North of I-287.
RouteCounty Highway 675
Coordinates40.57507, -74.56105
Functional classUrban Collector

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length133 ft (40.5 m)
Longest span131 ft (39.9 m)
Deck width73 ft (22.4 m)
Roadway width59 ft (18 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic5,335 (2023)
Projected traffic6,402 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chimney Rock Road over US 22 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Chimney Rock Road over US 22 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 October 2023.

How much traffic does Chimney Rock Road over US 22 carry?

About 5,335 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Chimney Rock Road over US 22?

The structure is 133 ft (40.5 m) long with a longest span of 131 ft (39.9 m) and a deck 73 ft wide.

Who owns Chimney Rock Road over US 22?

It is owned by the County Highway Agency and maintained by the State Highway Agency.