US Bridges

CR 630 over Troy Brook

Fair

Morris County, New Jersey · 0.15 MI E of I-287 · Structure no. 1414183

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
15,091
2023 count
Owner
State
State Highway Agency

About this bridge

CR 630 over Troy Brook is a concrete continuous culvert carrying CR 630 over Troy Brook in Morris County, New Jersey. It was built in 1971, so it is 54 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 15,091 vehicles a day, roughly 4% of them trucks, projected to reach 18,410 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 630
CrossesTroy Brook
Location0.15 MI E of I-287
RouteCounty Highway 630
Coordinates40.86686, -74.41434
Functional classUrban Other Principal 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,091 (2023)
Projected traffic18,410 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 630 over Troy Brook built?

It was built in 1971, making it 54 years old in 2025.

What condition is CR 630 over Troy 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 March 2023.

How much traffic does CR 630 over Troy Brook carry?

About 15,091 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 630 over Troy Brook?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m).

Who owns CR 630 over Troy Brook?

It is owned by the State Highway Agency.