US Bridges

Black Point Road over So. Branch Raritan Riv.

Good

Somerset County, New Jersey · 0.92 Mi. N. of CR 514 · Structure no. 18B0508

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Truss - Thru
Steel
Length
119 ft
1 main span
Daily traffic
717
2023 count
Owner
County
County Highway Agency

About this bridge

Black Point Road over So. Branch Raritan Riv. is a steel truss - thru carrying Black Point Road over So. Branch Raritan Riv. in Somerset County, New Jersey. It was built in 2002, so it is 23 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 717 vehicles a day, roughly 3% of them trucks, projected to reach 860 by 2043. The structure is 119 ft (36.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBlack Point Road
CrossesSo. Branch Raritan Riv.
Location0.92 Mi. N. of CR 514
CountySomerset County
StateNew Jersey
Coordinates40.50183, -74.74228
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length119 ft (36.3 m)
Longest span115 ft (35.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic717 (2023)
Projected traffic860 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Black Point Road over So. Branch Raritan Riv. built?

It was built in 2002, making it 23 years old in 2025.

What condition is Black Point Road over So. Branch Raritan Riv. 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 October 2023.

How much traffic does Black Point Road over So. Branch Raritan Riv. carry?

About 717 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Black Point Road over So. Branch Raritan Riv.?

The structure is 119 ft (36.3 m) long with a longest span of 115 ft (35.1 m) and a deck 32 ft wide.

Who owns Black Point Road over So. Branch Raritan Riv.?

It is owned by the County Highway Agency.