US Bridges

Old York Road over Assunpink Creek

Poor

Monmouth County, New Jersey · 2 Miles So. of Njtpk · Structure no. 1300U70

Built
1941
84 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
46 ft
2 main spans
Daily traffic
5,481
2023 count
Owner
County
County Highway Agency

About this bridge

Old York Road over Assunpink Creek is a steel continuous stringer/multi-beam or girder carrying Old York Road over Assunpink Creek in Monmouth County, New Jersey. It was built in 1941, so it is 84 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 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 5,481 vehicles a day, roughly 3% of them trucks, projected to reach 6,577 by 2043. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld York Road
CrossesAssunpink Creek
Location2 Miles So. of Njtpk
RouteCounty Highway 539
Coordinates40.21667, -74.54327
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length46 ft (14 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,481 (2023)
Projected traffic6,577 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old York Road over Assunpink Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Old York Road over Assunpink 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 May 2023.

How much traffic does Old York Road over Assunpink Creek carry?

About 5,481 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Old York Road over Assunpink Creek?

The structure is 46 ft (14 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns Old York Road over Assunpink Creek?

It is owned by the County Highway Agency.