US Bridges

Iron Ore RD-CR527A over Manalapan Brook

Good

Monmouth County, New Jersey · 2.16 MI NE of Nj Rt 33 · Structure no. 130MN27

Built
2011
14 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
3,907
2023 count
Owner
County
County Highway Agency

About this bridge

Iron Ore RD-CR527A over Manalapan Brook is a prestressed concrete slab carrying Iron Ore RD-CR527A over Manalapan Brook 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 3,907 vehicles a day, roughly 3% of them trucks, projected to reach 4,688 by 2043. The structure is 37 ft (11.3 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIron Ore RD-CR527A
CrossesManalapan Brook
Location2.16 MI NE of Nj Rt 33
RouteCounty Highway 527
Coordinates40.27927, -74.38088
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span31 ft (9.4 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,907 (2023)
Projected traffic4,688 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Iron Ore RD-CR527A over Manalapan Brook built?

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

What condition is Iron Ore RD-CR527A over Manalapan Brook 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 March 2023.

How much traffic does Iron Ore RD-CR527A over Manalapan Brook carry?

About 3,907 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Iron Ore RD-CR527A over Manalapan Brook?

The structure is 37 ft (11.3 m) long with a longest span of 31 ft (9.4 m) and a deck 45 ft wide.

Who owns Iron Ore RD-CR527A over Manalapan Brook?

It is owned by the County Highway Agency.