US Bridges

Green Valley Drive over E. Branch Middle Brook

FairPosted for load

Somerset County, New Jersey · .05 MI S of Wash Valley · Structure no. 18K0909

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,158
2023 count
Owner
County
County Highway Agency

About this bridge

Green Valley Drive over E. Branch Middle Brook is a concrete slab carrying Green Valley Drive over E. Branch Middle Brook in Somerset County, New Jersey. It was built in 1963, so it is 62 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,158 vehicles a day, roughly 1% of them trucks, projected to reach 1,390 by 2043. The structure is 23 ft (7 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGreen Valley Drive
CrossesE. Branch Middle Brook
Location.05 MI S of Wash Valley
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.61315, -74.49648
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,158 (2023)
Projected traffic1,390 by 2043
Trucks1%
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 Green Valley Drive over E. Branch Middle Brook built?

It was built in 1963, making it 62 years old in 2025.

What condition is Green Valley Drive over E. Branch Middle 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 September 2023.

How much traffic does Green Valley Drive over E. Branch Middle Brook carry?

About 1,158 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Green Valley Drive over E. Branch Middle Brook?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 43 ft wide.

Who owns Green Valley Drive over E. Branch Middle Brook?

It is owned by the County Highway Agency.