US Bridges

County Route 633 over Beaver Brook

Fair

Hunterdon County, New Jersey · .25 MI North of Nj 31 · Structure no. 1000029

Built
1993
32 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
4,150
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 633 over Beaver Brook is a concrete culvert carrying County Route 633 over Beaver Brook in Hunterdon County, New Jersey. It was built in 1993, so it is 32 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 4,150 vehicles a day, roughly 3% of them trucks, projected to reach 5,064 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Route 633
CrossesBeaver Brook
Location.25 MI North of Nj 31
RouteCounty Highway 633
CountyHunterdon County
StateNew Jersey
Coordinates40.63777, -74.8822
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2023)
Projected traffic5,064 by 2043
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 633 over Beaver Brook built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Route 633 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 March 2023.

How much traffic does County Route 633 over Beaver Brook carry?

About 4,150 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 633 over Beaver Brook?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m).

Who owns County Route 633 over Beaver Brook?

It is owned by the County Highway Agency.