US Bridges

Oak Glen Road over Haystack Brook

Poor

Monmouth County, New Jersey · 0.7 Mile South of CR 547 · Structure no. 130HL62

Built
1946
79 years old, rebuilt 1970
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
1,066
2023 count
Owner
County
County Highway Agency

About this bridge

Oak Glen Road over Haystack Brook is a concrete continuous slab carrying Oak Glen Road over Haystack Brook in Monmouth County, New Jersey. It was built in 1946 and reconstructed in 1970, so it is 79 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 1,066 vehicles a day, roughly 3% of them trucks, projected to reach 1,280 by 2023. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOak Glen Road
CrossesHaystack Brook
Location0.7 Mile South of CR 547
RouteCity Street 0
CountyMonmouth County
StateNew Jersey
Coordinates40.11627, -74.18173
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span13 ft (4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,066 (2023)
Projected traffic1,280 by 2023
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak Glen Road over Haystack Brook built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1970.

What condition is Oak Glen Road over Haystack Brook 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 March 2023.

How much traffic does Oak Glen Road over Haystack Brook carry?

About 1,066 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Oak Glen Road over Haystack Brook?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (4 m) and a deck 26 ft wide.

Who owns Oak Glen Road over Haystack Brook?

It is owned by the County Highway Agency.