US Bridges

CR 524 (s. Main ST over Doctors Creek

Good

Monmouth County, New Jersey · Allentown · Structure no. 1300U12

Built
2011
14 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
9,417
2023 count
Owner
County
County Highway Agency

About this bridge

CR 524 (s. Main ST over Doctors Creek is a prestressed concrete stringer/multi-beam or girder carrying CR 524 (s. Main ST over Doctors Creek in Monmouth County, New Jersey. It was built in 2011, so it is 14 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,417 vehicles a day, roughly 4% of them trucks, projected to reach 11,300 by 2043. The structure is 58 ft (17.7 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCR 524 (s. Main ST
CrossesDoctors Creek
LocationAllentown
RouteCounty Highway 524
CountyMonmouth County
StateNew Jersey
Coordinates40.17583, -74.58666
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating70 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length58 ft (17.7 m)
Longest span53 ft (16.2 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,417 (2023)
Projected traffic11,300 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 CR 524 (s. Main ST over Doctors Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is CR 524 (s. Main ST over Doctors Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does CR 524 (s. Main ST over Doctors Creek carry?

About 9,417 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 524 (s. Main ST over Doctors Creek?

The structure is 58 ft (17.7 m) long with a longest span of 53 ft (16.2 m) and a deck 38 ft wide.

Who owns CR 524 (s. Main ST over Doctors Creek?

It is owned by the County Highway Agency.