US Bridges

Clinton Ave over Green Brook

Good

Somerset County, New Jersey · 0.38 MI S. of CR 636 · Structure no. 18M0901

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
95 ft
2 main spans
Daily traffic
9,352
2023 count
Owner
County
County Highway Agency

About this bridge

Clinton Ave over Green Brook is a steel continuous stringer/multi-beam or girder carrying Clinton Ave over Green Brook in Somerset County, New Jersey. It was built in 2004, so it is 21 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 9,352 vehicles a day, roughly 3% of them trucks, projected to reach 11,412 by 2043. The structure is 95 ft (29 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesClinton Ave
CrossesGreen Brook
Location0.38 MI S. of CR 636
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.60533, -74.44961
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length95 ft (29 m)
Longest span46 ft (14 m)
Deck width54 ft (16.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,352 (2023)
Projected traffic11,412 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Clinton Ave over Green Brook built?

It was built in 2004, making it 21 years old in 2025.

What condition is Clinton Ave over Green 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 Clinton Ave over Green Brook carry?

About 9,352 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Clinton Ave over Green Brook?

The structure is 95 ft (29 m) long with a longest span of 46 ft (14 m) and a deck 54 ft wide.

Who owns Clinton Ave over Green Brook?

It is owned by the County Highway Agency.