US Bridges

Kinnelonrd(cr 618) over Beaver Brook

Fair

Morris County, New Jersey · 1.6 MI N of Rckwy Val RD · Structure no. 1400183

Built
1929
96 years old, rebuilt 1999
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
3,500
2023 count
Owner
County
County Highway Agency

About this bridge

Kinnelonrd(cr 618) over Beaver Brook is a steel stringer/multi-beam or girder carrying Kinnelonrd(cr 618) over Beaver Brook in Morris County, New Jersey. It was built in 1929 and reconstructed in 1999, 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 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 3,500 vehicles a day, roughly 4% of them trucks, projected to reach 4,270 by 2043. The structure is 26 ft (7.9 m) long and 41 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesKinnelonrd(cr 618)
CrossesBeaver Brook
Location1.6 MI N of Rckwy Val RD
RouteCounty Highway 618
Coordinates40.95857, -74.40942
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic4,270 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Kinnelonrd(cr 618) over Beaver Brook built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1999.

What condition is Kinnelonrd(cr 618) over Beaver Brook 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 Kinnelonrd(cr 618) over Beaver Brook carry?

About 3,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Kinnelonrd(cr 618) over Beaver Brook?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 41 ft wide.

Who owns Kinnelonrd(cr 618) over Beaver Brook?

It is owned by the County Highway Agency.