US Bridges

Crosswick Ham Sq over Doctors Creek

Fair

Mercer County, New Jersey · 0.5 Mile South of CR 524 · Structure no. 1100029

Built
2000
25 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
4,650
2023 count
Owner
County
County Highway Agency

About this bridge

Crosswick Ham Sq over Doctors Creek is a prestressed concrete box beam or girders - multiple carrying Crosswick Ham Sq over Doctors Creek in Mercer County, New Jersey. It was built in 2000, so it is 25 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 4,650 vehicles a day, roughly 3% of them trucks, projected to reach 5,670 by 2043. The structure is 64 ft (19.5 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCrosswick Ham Sq
CrossesDoctors Creek
Location0.5 Mile South of CR 524
RouteCity Street 0
Coordinates40.16521, -74.6469
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width50 ft (15.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2023)
Projected traffic5,670 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crosswick Ham Sq over Doctors Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Crosswick Ham Sq over Doctors 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 February 2023.

How much traffic does Crosswick Ham Sq over Doctors Creek carry?

About 4,650 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Crosswick Ham Sq over Doctors Creek?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 50 ft wide.

Who owns Crosswick Ham Sq over Doctors Creek?

It is owned by the County Highway Agency.