US Bridges

Rose Run over Alexauken Creek

Good

Hunterdon County, New Jersey · 0.5 MI E NJ179/MT Airy RD · Structure no. 100W141

Built
2006
19 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
39 ft
1 main span
Daily traffic
58
2023 count
Owner
County
County Highway Agency

About this bridge

Rose Run over Alexauken Creek is a concrete culvert carrying Rose Run over Alexauken Creek in Hunterdon County, New Jersey. It was built in 2006, so it is 19 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 58 vehicles a day, roughly 3% of them trucks, projected to reach 69 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRose Run
CrossesAlexauken Creek
Location0.5 MI E NJ179/MT Airy RD
Coordinates40.3909, -74.90437
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2023)
Projected traffic69 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 Rose Run over Alexauken Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Rose Run over Alexauken Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Rose Run over Alexauken Creek carry?

About 58 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Rose Run over Alexauken Creek?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m).

Who owns Rose Run over Alexauken Creek?

It is owned by the County Highway Agency.