US Bridges

Nj 57 over Merrill Creek

Good

Warren County, New Jersey · 1.1 Mi. East of CR 519 · Structure no. 2105154

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
9,959
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 57 over Merrill Creek is a prestressed concrete slab carrying Nj 57 over Merrill Creek in Warren County, New Jersey. It was built in 2008, so it is 17 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 9,959 vehicles a day, roughly 4% of them trucks, projected to reach 11,950 by 2043. The structure is 37 ft (11.3 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNj 57
CrossesMerrill Creek
Location1.1 Mi. East of CR 519
RouteState Highway 57
Coordinates40.70448, -75.11607
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106.8 US tons
Inventory rating86.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span32 ft (9.8 m)
Deck width45 ft (13.8 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,959 (2023)
Projected traffic11,950 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nj 57 over Merrill Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nj 57 over Merrill 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 March 2023.

How much traffic does Nj 57 over Merrill Creek carry?

About 9,959 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 57 over Merrill Creek?

The structure is 37 ft (11.3 m) long with a longest span of 32 ft (9.8 m) and a deck 45 ft wide.

Who owns Nj 57 over Merrill Creek?

It is owned by the State Highway Agency.