US Bridges

Nj 31(PENN.RD) over I-295

Fair

Mercer County, New Jersey · At I-295 Exit 72 · Structure no. 1120160

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
264 ft
2 main spans
Daily traffic
24,165
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 31(PENN.RD) over I-295 is a steel stringer/multi-beam or girder carrying Nj 31(PENN.RD) over I-295 in Mercer County, New Jersey. It was built in 1974, so it is 51 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 24,165 vehicles a day, roughly 4% of them trucks, projected to reach 28,999 by 2044. The structure is 264 ft (80.5 m) long and 93 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNj 31(PENN.RD)
CrossesI-295
LocationAt I-295 Exit 72
RouteState Highway 31
CountyMercer County
StateNew Jersey
Coordinates40.2903, -74.7845
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length264 ft (80.5 m)
Longest span147 ft (44.8 m)
Deck width93 ft (28.3 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,165 (2024)
Projected traffic28,999 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 31(PENN.RD) over I-295 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nj 31(PENN.RD) over I-295 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Nj 31(PENN.RD) over I-295 carry?

About 24,165 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 31(PENN.RD) over I-295?

The structure is 264 ft (80.5 m) long with a longest span of 147 ft (44.8 m) and a deck 93 ft wide.

Who owns Nj 31(PENN.RD) over I-295?

It is owned by the State Highway Agency.