US Bridges

Sweetmans LN(CR1) over Millstone River

Fair

Monmouth County, New Jersey · 1.43 MI W CR 527A · Structure no. 130MS55

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
2,927
2023 count
Owner
County
County Highway Agency

About this bridge

Sweetmans LN(CR1) over Millstone River is a prestressed concrete slab carrying Sweetmans LN(CR1) over Millstone River in Monmouth County, New Jersey. It was built in 1975, so it is 50 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 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 2,927 vehicles a day, roughly 5% of them trucks, projected to reach 3,512 by 2043. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSweetmans LN(CR1)
CrossesMillstone River
Location1.43 MI W CR 527A
RouteCounty Highway 1
CountyMonmouth County
StateNew Jersey
Coordinates40.2196, -74.38974
Functional classRural Minor Collector

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.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,927 (2023)
Projected traffic3,512 by 2043
Trucks5%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$516,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sweetmans LN(CR1) over Millstone River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Sweetmans LN(CR1) over Millstone River 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 March 2023.

How much traffic does Sweetmans LN(CR1) over Millstone River carry?

About 2,927 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sweetmans LN(CR1) over Millstone River?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Sweetmans LN(CR1) over Millstone River?

It is owned by the County Highway Agency.