US Bridges

Nj 42 over Blackwood Railrd Trail

Good

Camden County, New Jersey · .2 Mile North of 168 JCT · Structure no. 0411161

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Arch - Thru
Concrete
Length
22 ft
1 main span
Daily traffic
124,299
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 42 over Blackwood Railrd Trail is a concrete arch - thru carrying Nj 42 over Blackwood Railrd Trail in Camden County, New Jersey. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 124,299 vehicles a day, roughly 5% of them trucks, projected to reach 149,159 by 2044. The structure is 22 ft (6.7 m) long and 192 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 42
CrossesBlackwood Railrd Trail
Location.2 Mile North of 168 JCT
RouteState Highway 42
Coordinates39.81839, -75.07084
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
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionOctober 2024
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 rating87 US tons
Inventory rating52 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width192 ft (58.5 m)
Roadway width126 ft (38.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic124,299 (2024)
Projected traffic149,159 by 2044
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$315,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 42 over Blackwood Railrd Trail built?

It was built in 2024, making it 1 years old in 2025.

What condition is Nj 42 over Blackwood Railrd Trail 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 2024.

How much traffic does Nj 42 over Blackwood Railrd Trail carry?

About 124,299 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Nj 42 over Blackwood Railrd Trail?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 192 ft wide.

Who owns Nj 42 over Blackwood Railrd Trail?

It is owned by the State Highway Agency.