US Bridges

CR 523 over Lamington River

Fair

Somerset County, New Jersey · 1.15 MI N of CR 517 · Structure no. 18C1103

Built
1977
48 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
5,588
2023 count
Owner
County
County Highway Agency

About this bridge

CR 523 over Lamington River is a prestressed concrete box beam or girders - multiple carrying CR 523 over Lamington River in Somerset County, New Jersey. It was built in 1977, so it is 48 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 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 5,588 vehicles a day, roughly 3% of them trucks, projected to reach 6,706 by 2043. The structure is 120 ft (36.6 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 523
CrossesLamington River
Location1.15 MI N of CR 517
RouteCounty Highway 523
CountySomerset County
StateNew Jersey
Coordinates40.66062, -74.7291
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating46 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span58 ft (17.7 m)
Deck width44 ft (13.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,588 (2023)
Projected traffic6,706 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 523 over Lamington River built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 523 over Lamington 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 August 2023.

How much traffic does CR 523 over Lamington River carry?

About 5,588 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 523 over Lamington River?

The structure is 120 ft (36.6 m) long with a longest span of 58 ft (17.7 m) and a deck 44 ft wide.

Who owns CR 523 over Lamington River?

It is owned by the County Highway Agency.