US Bridges

N Olden Ave CR 622 over Rt. US 1 and Conrail

Good

Mercer County, New Jersey · 0.97 MI N of Rt. 33 Int. · Structure no. 1100050

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
355 ft
3 main spans
Daily traffic
24,277
2023 count
Owner
County
County Highway Agency

About this bridge

N Olden Ave CR 622 over Rt. US 1 and Conrail is a steel continuous stringer/multi-beam or girder carrying N Olden Ave CR 622 over Rt. US 1 and Conrail in Mercer County, New Jersey. It was built in 1994, so it is 31 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 24,277 vehicles a day, roughly 4% of them trucks, projected to reach 29,361 by 2043. The structure is 355 ft (108.2 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN Olden Ave CR 622
CrossesRt. US 1 and Conrail
Location0.97 MI N of Rt. 33 Int.
RouteCounty Highway 622
CountyMercer County
StateNew Jersey
Coordinates40.23472, -74.74633
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating74 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length355 ft (108.2 m)
Longest span125 ft (38.1 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,277 (2023)
Projected traffic29,361 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Olden Ave CR 622 over Rt. US 1 and Conrail built?

It was built in 1994, making it 31 years old in 2025.

What condition is N Olden Ave CR 622 over Rt. US 1 and Conrail 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 March 2023.

How much traffic does N Olden Ave CR 622 over Rt. US 1 and Conrail carry?

About 24,277 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is N Olden Ave CR 622 over Rt. US 1 and Conrail?

The structure is 355 ft (108.2 m) long with a longest span of 125 ft (38.1 m) and a deck 54 ft wide.

Who owns N Olden Ave CR 622 over Rt. US 1 and Conrail?

It is owned by the County Highway Agency.