US Bridges

Nj 45 over Mannington Creek

Good

Salem County, New Jersey · 0.14 MI N.Of JCT CR653 · Structure no. 1704151

Built
1996
29 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
5,397
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 45 over Mannington Creek is a prestressed concrete slab carrying Nj 45 over Mannington Creek in Salem County, New Jersey. It was built in 1996, so it is 29 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 5,397 vehicles a day, roughly 4% of them trucks, projected to reach 6,354 by 2043. The structure is 41 ft (12.5 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNj 45
CrossesMannington Creek
Location0.14 MI N.Of JCT CR653
RouteState Highway 45
CountySalem County
StateNew Jersey
Coordinates39.60566, -75.40825
Functional classRural 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.5 m)
Longest span36 ft (11 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,397 (2023)
Projected traffic6,354 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 45 over Mannington Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nj 45 over Mannington 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 Nj 45 over Mannington Creek carry?

About 5,397 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 45 over Mannington Creek?

The structure is 41 ft (12.5 m) long with a longest span of 36 ft (11 m) and a deck 48 ft wide.

Who owns Nj 45 over Mannington Creek?

It is owned by the State Highway Agency.