US Bridges

NJ49-E.MAIN Street over Manantico Creek

Fair

Cumberland County, New Jersey · 1.2 MI East of Nj 55 · Structure no. 0606150

Built
1929
96 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
8,007
2023 count
Owner
State
State Highway Agency

About this bridge

NJ49-E.MAIN Street over Manantico Creek is a concrete slab carrying NJ49-E.MAIN Street over Manantico Creek in Cumberland County, New Jersey. It was built in 1929, so it is 96 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 6 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 8,007 vehicles a day, roughly 4% of them trucks, projected to reach 9,771 by 2043. The structure is 23 ft (7 m) long and 59 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNJ49-E.MAIN Street
CrossesManantico Creek
Location1.2 MI East of Nj 55
RouteState Highway 49
Coordinates39.3864, -74.98928
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum 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 rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width59 ft (18.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,007 (2023)
Projected traffic9,771 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$327,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NJ49-E.MAIN Street over Manantico Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is NJ49-E.MAIN Street over Manantico 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 April 2023.

How much traffic does NJ49-E.MAIN Street over Manantico Creek carry?

About 8,007 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NJ49-E.MAIN Street over Manantico Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 59 ft wide.

Who owns NJ49-E.MAIN Street over Manantico Creek?

It is owned by the State Highway Agency.