US Bridges

Possumtown Road over Ambrose Brook

Fair

Middlesex County, New Jersey · 0.2 Mi. N. of Inter. 287 · Structure no. 122B241

Built
1969
56 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
21,770
2023 count
Owner
County
County Highway Agency

About this bridge

Possumtown Road over Ambrose Brook is a prestressed concrete box beam or girders - multiple carrying Possumtown Road over Ambrose Brook in Middlesex County, New Jersey. It was built in 1969, so it is 56 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 21,770 vehicles a day, roughly 4% of them trucks, projected to reach 26,564 by 2043. The structure is 50 ft (15.2 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPossumtown Road
CrossesAmbrose Brook
Location0.2 Mi. N. of Inter. 287
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.55575, -74.48614
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width63 ft (19.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,770 (2023)
Projected traffic26,564 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Possumtown Road over Ambrose Brook built?

It was built in 1969, making it 56 years old in 2025.

What condition is Possumtown Road over Ambrose Brook 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 Possumtown Road over Ambrose Brook carry?

About 21,770 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Possumtown Road over Ambrose Brook?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 63 ft wide.

Who owns Possumtown Road over Ambrose Brook?

It is owned by the County Highway Agency.