US Bridges

Chalfont Drive over Beaver Brook

Fair

Hunterdon County, New Jersey · 0.3 MI West of CR 639 · Structure no. 10C0104

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
551
2023 count
Owner
County
County Highway Agency

About this bridge

Chalfont Drive over Beaver Brook is a concrete culvert carrying Chalfont Drive over Beaver Brook in Hunterdon County, New Jersey. It was built in 1992, so it is 33 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 551 vehicles a day, roughly 3% of them trucks, projected to reach 662 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChalfont Drive
CrossesBeaver Brook
Location0.3 MI West of CR 639
Coordinates40.65997, -74.83306
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2023)
Projected traffic662 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 Chalfont Drive over Beaver Brook built?

It was built in 1992, making it 33 years old in 2025.

What condition is Chalfont Drive 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 June 2023.

How much traffic does Chalfont Drive over Beaver Brook carry?

About 551 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Chalfont Drive over Beaver Brook?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Chalfont Drive over Beaver Brook?

It is owned by the County Highway Agency.