US Bridges

Park Avenue over Flat Creek

Fair

Monmouth County, New Jersey · 0.16 Miles West of CR 39 · Structure no. 1300R29

Built
1946
79 years old, rebuilt 1969
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
1,500
2023 count
Owner
County
County Highway Agency

About this bridge

Park Avenue over Flat Creek is a concrete continuous slab carrying Park Avenue over Flat Creek in Monmouth County, New Jersey. It was built in 1946 and reconstructed in 1969, 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 fair condition with a lowest component rating of 5 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 1,500 vehicles a day, roughly 1% of them trucks, projected to reach 1,830 by 2043. The structure is 47 ft (14.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPark Avenue
CrossesFlat Creek
Location0.16 Miles West of CR 39
RouteCity Street 0
Coordinates40.4443, -74.1692
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,830 by 2043
Trucks1%
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Park Avenue over Flat Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1969.

What condition is Park Avenue over Flat 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 May 2023.

How much traffic does Park Avenue over Flat Creek carry?

About 1,500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Park Avenue over Flat Creek?

The structure is 47 ft (14.3 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns Park Avenue over Flat Creek?

It is owned by the County Highway Agency.