US Bridges

CR631 (landing Rd) over Njt-Morristown Line

Fair

Morris County, New Jersey · At Kings Highway Junction · Structure no. 1400073

Built
1907
118 years old, rebuilt 1972
Condition
Fair
inspected August 2023
Type
Arch - Deck
Concrete
Length
136 ft
2 main spans
Daily traffic
21,845
2023 count
Owner
County
County Highway Agency

About this bridge

CR631 (landing Rd) over Njt-Morristown Line is a concrete arch - deck carrying CR631 (landing Rd) over Njt-Morristown Line in Morris County, New Jersey. It was built in 1907 and reconstructed in 1972, so it is 118 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 21,845 vehicles a day, roughly 4% of them trucks, projected to reach 26,656 by 2043. The structure is 136 ft (41.5 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR631 (landing Rd)
CrossesNjt-Morristown Line
LocationAt Kings Highway Junction
RouteCounty Highway 631
CountyMorris County
StateNew Jersey
Coordinates40.9048, -74.66551
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
Deck7 GoodSome minor problems.
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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span64 ft (19.5 m)
Deck width39 ft (11.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,845 (2023)
Projected traffic26,656 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$339,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR631 (landing Rd) over Njt-Morristown Line built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1972.

What condition is CR631 (landing Rd) over Njt-Morristown Line 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 CR631 (landing Rd) over Njt-Morristown Line carry?

About 21,845 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR631 (landing Rd) over Njt-Morristown Line?

The structure is 136 ft (41.5 m) long with a longest span of 64 ft (19.5 m) and a deck 39 ft wide.

Who owns CR631 (landing Rd) over Njt-Morristown Line?

It is owned by the County Highway Agency.