US Bridges

Nj Rt 29 NB over Watsons Creek

Fair

Mercer County, New Jersey · 0.41MI West of 206 Int. · Structure no. 1130152

Built
1995
30 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
992 ft
12 main spans
Daily traffic
38,619
2024 count
Owner
State
State Highway Agency

About this bridge

Nj Rt 29 NB over Watsons Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nj Rt 29 NB over Watsons Creek in Mercer County, New Jersey. It was built in 1995, so it is 30 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 38,619 vehicles a day, roughly 5% of them trucks, projected to reach 47,123 by 2044. The structure is 992 ft (302.4 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNj Rt 29 NB
CrossesWatsons Creek
Location0.41MI West of 206 Int.
RouteState Highway 29
CountyMercer County
StateNew Jersey
Coordinates40.18422, -74.72753
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 25 or greater
Structure length992 ft (302.4 m)
Longest span90 ft (27.4 m)
Deck width80 ft (24.5 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,619 (2024)
Projected traffic47,123 by 2044
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nj Rt 29 NB over Watsons Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nj Rt 29 NB over Watsons Creek 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 March 2024.

How much traffic does Nj Rt 29 NB over Watsons Creek carry?

About 38,619 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Nj Rt 29 NB over Watsons Creek?

The structure is 992 ft (302.4 m) long with a longest span of 90 ft (27.4 m) and a deck 80 ft wide.

Who owns Nj Rt 29 NB over Watsons Creek?

It is owned by the State Highway Agency.