US Bridges

River Road (CR605) over Van Horn Brook

Good

Somerset County, New Jersey · 1 MI East of US 206 · Structure no. 18E0104

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
3,518
2023 count
Owner
County
County Highway Agency

About this bridge

River Road (CR605) over Van Horn Brook is a concrete culvert carrying River Road (CR605) over Van Horn Brook in Somerset County, New Jersey. It was built in 2005, so it is 20 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 3,518 vehicles a day, roughly 3% of them trucks, projected to reach 4,222 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Road (CR605)
CrossesVan Horn Brook
Location1 MI East of US 206
RouteCounty Highway 605
Coordinates40.39737, -74.63303
Functional classUrban Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic3,518 (2023)
Projected traffic4,222 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 River Road (CR605) over Van Horn Brook built?

It was built in 2005, making it 20 years old in 2025.

What condition is River Road (CR605) over Van Horn Brook 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 September 2023.

How much traffic does River Road (CR605) over Van Horn Brook carry?

About 3,518 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is River Road (CR605) over Van Horn Brook?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns River Road (CR605) over Van Horn Brook?

It is owned by the County Highway Agency.