US Bridges

Yard Road over Baldwins Creek

Poor

Mercer County, New Jersey · 0.3 MI West of Rt 31 JCT · Structure no. 1100078

Built
1969
56 years old
Condition
Poor
inspected February 2023
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
478
2023 count
Owner
County
County Highway Agency

About this bridge

Yard Road over Baldwins Creek is a prestressed concrete slab carrying Yard Road over Baldwins Creek in Mercer 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 478 vehicles a day, roughly 3% of them trucks, projected to reach 400 by 2043. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesYard Road
CrossesBaldwins Creek
Location0.3 MI West of Rt 31 JCT
Coordinates40.33933, -74.80169
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic478 (2023)
Projected traffic400 by 2043
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$690,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Yard Road over Baldwins Creek built?

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

What condition is Yard Road over Baldwins Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does Yard Road over Baldwins Creek carry?

About 478 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Yard Road over Baldwins Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Yard Road over Baldwins Creek?

It is owned by the County Highway Agency.