US Bridges

Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch

Fair

Middlesex County, New Jersey · 0.35 MI SE of RTE 1 · Structure no. M08710S

Built
1950
75 years old, rebuilt 1955
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
3 main spans
Daily traffic
100,270
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch is a steel stringer/multi-beam or girder carrying Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch in Middlesex County, New Jersey. It was built in 1950 and reconstructed in 1955, so it is 75 years old, older 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 100,270 vehicles a day, roughly 13% of them trucks, projected to reach 143,915 by 2043. The structure is 146 ft (44.5 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtp Nso-Nsi Rwys
CrossesPrr Bonnamtown Branch
Location0.35 MI SE of RTE 1
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.51889, -74.36003
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span50 ft (15.2 m)
Deck width134 ft (40.7 m)
Roadway width123 ft (37.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100,270 (2023)
Projected traffic143,915 by 2043
Trucks13%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1955.

What condition is Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch 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 April 2023.

How much traffic does Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch carry?

About 100,270 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch?

The structure is 146 ft (44.5 m) long with a longest span of 50 ft (15.2 m) and a deck 134 ft wide.

Who owns Njtp Nso-Nsi Rwys over Prr Bonnamtown Branch?

It is owned by the State Toll Authority.